Pure mathematics is, in its way, the poetry of logical ideas.

Citizenship consists in the service of the country.

A house divided against itself cannot stand.

Our human compassion binds us the one to the other - not in pity or patronizingly, but as human beings who have learnt how to turn our common suffering into hope for the future. 

A constitution is the arrangement of magistracies in a state.

We should meet abuse by forbearance. Human nature is so constituted that if we take absolutely no notice of anger or abuse, the person indulging in it will soon weary of it and stop.

A mind all logic is like a knife all blade. It makes the hand bleed that uses it.

When you're young, you look at television and think, there's a conspiracy. The networks have conspired to dumb us down. But when you get a little older, you realize that's not true. The networks are in business to give people exactly what they want.

Maturity is often more absurd than youth and very frequently is most unjust to youth.

If you want to make peace with your enemy, you have to work with your enemy. Then he becomes your partner. 

The shepherd drives the wolf from the sheep's throat, for which the sheep thanks the shepherd as his liberator, while the wolf denounces him for the same act as the destroyer of liberty. Plainly, the sheep and the wolf are not agreed upon a definition of liberty.

Each year has been so robust with problems and successes and learning experiences and human experiences that a year is a lifetime at Apple. So this has been ten lifetimes.