The knowledge of which geometry aims is the knowledge of the eternal.

Education is teaching our children to desire the right things.

The true runner comes to the finish and receives the prize and is crowned.

Atheism is a disease of the soul before it becomes an error of understanding.

Are these things good for any other reason except that they end in pleasure, and get rid of and avert pain? Are you looking to any other standard but pleasure and pain when you call them good?

Let no-one ignorant of geometry enter. Said to have been inscribed above the door of Plato's Academy.

Thinking and spoken discourse are the same thing, except that what we call thinking is, precisely, the inward dialogue carried on by the mind with itself without spoken sound.