To Know How To Free Oneself Is

No Theory Is Good Unless It Permits, Not Rest, But The Greatest Work. No Theory Is Good Except On Condition That One Use It To Go On Beyond.

A Desire For Truth Is By No Means A Need For Certitude And It Would Be Unwise To Confuse One With The Other.

The Wise Man Is He Who Constantly Wonders Afresh.

Woe To These People Who Have No Appetite For The Very Dish That Their Age Serves Up.

The Only Real Education Comes From What Goes Counter To You.