The unexamined life is not worth living. — Socrates (470/469 BCE-399 BCE)
The only thing I know is that I know nothing. — Socrates (470/469 BCE-399 BCE)
You can discover more about a person in an hour of play than in a year of conversation. — Plato (348 BCE)
Cogito ergo sum (I think therefore I am) — Rene Descartes (1596-1650)
Death does not concern us, because as long as we exist, death is not here. And when it does come, we no longer exist. — Epicurus (c. 341 BCE-270 BCE)
Man is the measure of all things. — Protagoras (c. 487 BCE-412 BCE)
There is nothing so absurd but some philosopher has said it. — Cicero (c. 106 BCE-43 BCE)
The greatest wealth is to live content with little. — Plato (c. 48 BCE)
The roots of education are bitter, but the fruit is sweet. — Aristotle (c. 384 BCE-322 BCE)
As long as man continues to be the ruthless destroyer of lower living beings he will never know health or peace, for as long as men massacre animals, they will kill each other. — Pythagoras (c. 570 BCE-495 BC)
Nothing exists except atoms and empty space; everything else is opinion. — Democritus (c. 460 BCE-370 BCE)
Laws are made to instruct the good, and in the hope that there may be no need of them; also to control the bad, whose hardness of heart will not be hindered from crime. — Plato (c. 348 BCE)
Dogs and philosophers do the greatest good and get the fewest rewards. — Diogenes (c. 412 BCE-323 BCE)
It is folly for a man to pray to the gods for that which he has the power to obtain by himself. — Epicurus (c. 341-270 BCE)
Human behavior flows from three main sources desire, emotion, and knowledge. — Plato (c. 348 BCE)
There are two different types of people in the world, those who want to know, and those who want to believe. — Friedrich Nietzsche (1844-1900)
There must be something rotten in the very core of a social system which increases its wealth without diminishing its misery. — Karl Marx (1818-1883)
People in their natural state are basically good. But this natural innocence, however, is corrupted by the evils of society. — Jean-Jacques Rousseau (1712-1778)
A wise man proportions his belief to the evidence. — David Hume (1711-1776)
Nothing great in the world has ever been accomplished without passion. — Georg Wilhelm Friedrich Hegel (1770-1831)
Give a man a reputation as an early riser and he can sleep ‘til noon. — Mark Twain (1835-1920)
Good people do not need laws to tell them to act responsibly, while bad people will find a way around the laws. — Plato (c. 348 BCE)
You don’t develop courage by being happy in your relationships everyday. You develop it by surviving difficult times and challenging adversity. — Epicurus (c. 341 BCE-270 BCE)
There is nothing permanent except change. — Heraclitus (c. 535 BC-475 BC)
I am indebted to my father for living, but to my teacher for living well. — Alexander the Great (c. 356 BC-323 BC)
Death does not concern us, because as long as we exist, death is not here. And when it does come, we no longer exist. — Epicurus (c. 341-270 BCE)
Wait for the wisest of all counselors, time. — Pericles (c. 494 BC-429 BC)
Man a being in search of meaning. — Plato (c. 348 BCE)
I don’t need a friend who changes when I change and who nods when I nod my shadow does that much better. — Plutarch (45 AD-120 AD)