Concept of intelligence and cultivation of knowledge with a man who waters a tree whose foliage is symbolically replaced by a brain.PREMIUM
Hippocrates line art illustrationPREMIUM
Thinking man statue illustration auguste rodin's the thinkerPREMIUM
Hippocrates (460-370 bc) portrait in line art. he was a greek philosopher and physician who has been called 'the father of modern medicine'.PREMIUM
Thales of miletus line art portrait. pre-socratic greek philosopher, mathematician, and astronomer. vectorPREMIUM
From complex to simple. simplification streamlining process, complex confusion, clarity idea solution with light bulbs vector complicating problem conceptPREMIUM
Sketched portrait of jean jacques rousseau, the famous 18th century french philosopher and writer.PREMIUM
Heraclitus engraved vector portrait with ink contours on white background. ancient greek, pre-socratic, ionian philosopher and a native of the city of ephesus, which was then part of the persian empire.PREMIUM
Positive thinking as switch from sad feeling to happy tiny person conceptPREMIUM
Thinking abstract concept vector illustration.PREMIUM
Parmenides engraved vector portrait with ink contours on white background. pre-socratic greek philosopher from elea in magna graecia.PREMIUM
Aristotle (384-322 bc) vector portrait in line art. he was an ancient philosopher, scientist, the author of greek philosophical system that became the framework for christian scholasticism.PREMIUM
Anaxagoras engraved vector portrait with ink contours on white background. pre-socratic greek philosopher.PREMIUM
Mencius; born mèng kē; or mengzi was a chinese confucian philosopher who has often been described as the "second sage", that is, after only confucius himself. he is part of confucius' fourth generation of disciples. mencius inherited confucius' ideology and developed it further.PREMIUM
Chaotically tangled line and untied knot in form of circle. psychotherapy concept of solving problems is easy. unravels chaos and mess difficult situation. doodle vector illustrationPREMIUM
Vector illustration. the wise old master of medieval europe teaches his young apprentice the secrets of engineering drawingsPREMIUM
Cartoon male characters in togas and with beards in different posesPREMIUM
Drawn portrait of rené descartes, famous french mathematician, physicist and philosopher.PREMIUM
Classic french carve poet on white text space.PREMIUM
Anaximenes of miletus engraved vector portrait with ink contours on white background. ancient greek pre-socratic philosopher active in the latter half of the 6th century bc.PREMIUM
Classic french carve poet on white text space. outline black ink hand drawn logo ponder memory ask question why faq image sign design in retro artist doodle cartoon style. closeup line viewPREMIUM
Decorative yin yang symbol. abstract yin-yang icon with sprigs and leaves. vector illustration. stylized symbolPREMIUM
Decorative yin yang symbol. abstract yin-yang icon with sprigs and leaves. symbol of unity of masculine and feminine. vector stock illustration. isolated element on a white background.PREMIUM
Socrates classical greek philosopher vector cartoonPREMIUM
Aristotle, 384-322 bce, he was an ancient greek philosopher and scientist, one of the most important founding figures in western philosophy, vintage line drawing or engraving illustrationPREMIUM
Stoic vector illustration. flat tiny calm psychology school person concept. ancient greek hellenistic study to praise personal ethics, logic and spiritual self control power. abstract tolerance wisdomPREMIUM
Vector seamless pattern on the theme of ancient greece. antique manuscript with sketches, illegible handwritten texts, blots and spots in retro style. can be used as wallpaper or wrapping paperPREMIUM
Concept of thinking symbolically with question marks escaping from the head of a man meditating in rodin's thinker position.PREMIUM
Socrates, 469-399 bc, he was a classical greek philosopher, famous as the one of the founders of western philosophy, vintage line drawing or engraving illustrationPREMIUM
Chaos and disorder turns into a formed even tangle with one line. chaos and order theory. flat vector illustration isolatedPREMIUM
Symbolic drawing of the knowledge of philosophyPREMIUM
Sketched portrait of voltaire, the famous 18th century french philosopher.PREMIUM
New technology. human hands touching with fingers, symbol of spirituality, religion, connection and interaction. mobile technology conceptPREMIUM
Greek philosophers scientists.PREMIUM
Chaotically tangled line and untied knot in form of circle. psychotherapy concept of solving problems is easy. unravels bad mental health. vector illustrationPREMIUM
Galileo galilei watercolor vector portrait with ink contours. the italian polymath.PREMIUM
Five element philosophy circle line boder and dashed line icon set vector designPREMIUM
Series of greek mythology, wars between the titans, the older gods, and the olympians, a newer generation of godsPREMIUM
It's cool to be kind hand drawn vector calligraphy. brush pen style modern lettering. ink illustration isolated on white background. positive quote for world kindness day and relationship.PREMIUM
Philosophy science collection icons set vector. social philosophy and logic, aesthetics and ethics, metaphilosophy and epistemology glyph pictograms black illustrationsPREMIUM
Philosophy line icons, signs, vector set, outline concept, linear illustrationPREMIUM
Chaos and order abstract minimalist concept, metaphor of disorganized difficult problemPREMIUM
Double exposure style tattoo artPREMIUM
Hands tattoo renaissance. symbol of spirituality, religion, connection and interaction. michelangelo god's touch. human hands touching with fingers tattoo and t-shirt designPREMIUM
Hands tattoo renaissance. bog and adam, symbol of spirituality, religion, connection and interaction. michelangelo god's touch. human hands touching with fingers tattoo and t-shirt designPREMIUM
Men and women meet in the metaverse. communication in the virtual world. women's hologram. men shake hands with female holograms. space background vector.PREMIUM
Aristotle, greek philosopher line icon, vector. aristotle, greek philosopher outline sign, concept symbol, illustrationPREMIUM
Michelangelo god's touch. human hands touching with fingers tattoo and t-shirt design. hands tattoo renaissance. gods and adam, symbol of spirituality, religion, connection and interactionPREMIUM
Vector portrait. friedrich nietzsche - german philosopher, classical philologist, composer, poet, creator of philosophical doctrine. and his phrase: "what doesn't kill us makes us stronger."PREMIUM
Plato engraved vector portrait with ink contours. philosopher in classical greece and the founder of the academy in athens, the first institution of higher learning in the western world.PREMIUM
Chaos and order business concept flat style design vector illustration isolated on white background. tangled disorder turns into circle order line, find solution. coaching, mentoring or psychotherapy.PREMIUM
Boy on a swing in mountains, dreamer tattoo art. boy looks at stars. dreaming genius t-shirt design. symbol of poetry, psychology, philosophy, astronomy, science. lunar phases and universePREMIUM
Greek or roman scientist, philosopher or mathematician in toga and sandals.PREMIUM
Aristotle watercolor vector portrait with ink contours. ancient greek philosopher and scientist.PREMIUM
Decision making, difficult choice, behavior science, self questioning, brainstorm and curiosity concept, neurology, vector icon, flat illustrationPREMIUM
Order and chaos . chaotic line and organised spiralPREMIUM
Vector portrait. aristotle was an ancient greek philosopher, the founder of formal logic. a disciple of plato. the phrase: "love is a theorem that must be proved every day."PREMIUM
Life quote. inspirational quote. it is was easy everyone would do it.PREMIUM
Thales of miletus engraved vector portrait with ink contours. pre-socratic greek philosopher, mathematician, and astronomer from miletus in asia minor.PREMIUM
Laughing democritusPREMIUM
Anaximander engraved vector portrait with ink contours. pre-socratic greek philosopher.PREMIUM
Series of greek mythology, titanomachy, zeus vs cronusPREMIUM
Parmenides engraved vector portrait with ink contours. greek philosopher from elea in magna graecia. he was the founder of the eleatic school of philosophy.PREMIUM
Vector illustration of yin and yang symbol isolated on white backgroundPREMIUM
Herodotus engraved vector portrait with ink contours. greek historian, the father of history.PREMIUM
Vector portrait. platon - athenian philosopher of the classical period of ancient greece, founder of the first institution of higher learning. his phrase: "love is a serious mental illness."PREMIUM
Socrates engraved vector portrait with ink contours. classical greek (athenian) philosopher credited as one of the founders of western philosophy, and as being the first moral philosopher,of the western ethical tradition of thought.PREMIUM
Pythagoras engraved vector portrait with ink contours. ionian greek philosopher and the eponymous founder of the pythagoreanism movement.PREMIUM
Ying yang symbol of harmony and balancePREMIUM
Vector food and sport motivational healthy lifestyle poster. don't eat less eat right, modern brush calligraphy in circle with vegetables sketch. handwritten lettering on white background.PREMIUM
Be silly. be honest. be kind. inspiring creative motivation quote poster template. vector typography banner designPREMIUM
Hand drawn inspirational label with textured brain vector illustration and "the hardest prison to escape is in your mind" lettering.PREMIUM
Funny sticker with cute wise red cat and text it's never too late to get your shit together. vector illustrationPREMIUM
Two heads with brain silhouette facing each other. symbol for same or different kind of thoughts, intelligence or communication, for thought-reading, telepathy, adverse opinions, contrary ideas.PREMIUM
Euclid engraved vector portrait with ink contours. greek mathematician, often referred to as the "founder of geometry" or the "father of geometry".PREMIUM
Friedrich nietzsche line art portraitPREMIUM
Plato (428-348 bc) portrait in line art.PREMIUM
Psychology concept vector logo or icon created with greek psi symbol as a tree with leaves inside of idea light bulb, mental health concept, psychoanalysis analysis and psychotherapy therapy.PREMIUM
Isaac newton watercolor vector portrait with ink contours. english mathematician, astronomer, theologian, author and physicist.PREMIUM
Vintage ancient greece elements setPREMIUM
Yin yang set symbol of harmony and balance, line collection icon isolated on white background. japan culture style.PREMIUM
Thinking man silhouette vectorPREMIUM
Continuous line drawing of a human brain with gyri and sulci, multipurpose single line concept or iconPREMIUM
Socrates portrait illustration. famous greek philosopher socrates cartoon drawing vector clipart.PREMIUM
Flat type research doctor old menPREMIUM
Stick figure human people man action, feelings, and emotions icons alphabet p.PREMIUM
A man is reading on the mountain and a road towards the sky. diligence is the path to the mountain of knowledge.PREMIUM
Futuristic insight, emotional and intellectual intelligence concept with heart, brain and lightbulbPREMIUM
Mental health and psychology concept, vector icon or logo design. human anatomical brain in a shape of green tree with tender guarding hands, growth and heyday of personality and individuality.PREMIUM
The tree of life from kabbalah for meditation and temple symbolPREMIUM
Philosophy science collection icons set vector. social philosophy and logic, aesthetics and ethics, metaphilosophy and epistemology concept linear pictograms. contour color illustrationsPREMIUM
Homer engraved vector portrait with ink contours. legendary author of the iliad and the odyssey, two epic poems that are the central works of ancient greek literature.PREMIUM
Thales of miletus line art portrait stamp. pre-socratic greek philosopher, mathematician, and astronomer. vectorPREMIUM
Life quote. inspirational quote. begin with the end in mind.PREMIUM
Avicenna was persian polymath who is one of the most significant physicians, astronomers, thinkers, writers of the islamic golden age and the father of early modern medicine.PREMIUM
Magical snakes tarot cards. occult hand drawn tarot cards, esoteric spiritual snakes wisdom symbol cards vector illustration set. magic snake tarot cardsPREMIUM
Vector money banknotes illustration with portrait of philosopher socrates by sculptor lisippo. classical statue . back sides of money billsPREMIUM
Xenophanes engraved vector portrait with ink contours on white background. greek philosopher, theologian, poet, and critic of religious polytheism.PREMIUM
Hand drawn inspirational label with textured brain vector illustration and "our life is the creation of our mind" lettering.PREMIUM