The unexamined life is not worth living.
Friendship is a single soul dwelling in two bodies.
We are what we repeatedly do. Excellence, then, is not an act, but a habit.
Beware the barrenness of a busy life.
Anybody can become angry - that is easy, but to be angry with the right person and to the right degree and at the right time and for the right purpose, and in the right way - that is not within everybody's power and is not easy.
At his best, man is the noblest of all animals; separated from law and justice he is the worst.
Death does not concern us, because as long as we exist, death is not here. And when it does come, we no longer exist.
The hour of departure has arrived and we go our ways; I to die, and you to live. Which is better? Only God knows.
I to die, and you to live. Which is better God only knows.
Everything is change; and you cannot step twice into the same river.
The gift of truth excels all other gifts.
Everything flows and nothing abides. Everything gives way and nothing stays fixed.
I don't need a friend who changes when I change and who nods when I nod; my shadow does that much better.
Courage is the first of human qualities because it is the quality which guarantees the others.
The educated differ from the uneducated as much as the living from the dead.
Those whose hearts are fixed on Reality itself deserve the title of Philosophers.
...for the object of education is to teach us to love beauty.
The way up and the way down are one and the same.
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.
Do not say a little in many words but a great deal in a few.
or simply: