A nation is born stoic and dies epicurean.

Sixty years ago I knew everything; now I know nothing. Education is the progressive discovery of our own ignorance.

A great civilization is not conquered from without until it has destroyed itself within.

Civilization begins with order, grows with liberty, and dies with chaos.

We are what we repeatedly do. Excellence, then, is not an act but a habit.

The political machine triumphs because it is united minority acting against a divided majority.

Excellence is an art won by training and habituation. We do not act rightly because we have virtue or excellence, but we rather have those because we have acted rightly.

Aesthetics is the study of ideal form or beauty; it is the philosophy of art.

Forget mistakes. Forget failures. Forget everything except what you are going to do right now, and do it. Today is your lucky day.

Life seems to be divided into two periods: in the first we indulge, in the second we preach.