Believe those who seek the truth, doubt those who find it; doubt all, but do not doubt yourself.

If one could recover the uncompromising spirit of one's youth, one's greatest indignation would be for what one has become.

Complete possession is proved only by giving. All you are unable to give possesses you.

Life never presents us with anything which may not be looked upon as a fresh starting point, no less than as a termination.

The very act of sacrifice magnifies the one who sacrifices himself to the point where his sacrifice is much more costly to humanity than would have been the loss of those for whom he is sacrificing himself. But in his abnegation lies the secret of his grandeur.

Woe to these people who have no appetite for the very dish that their age serves up.

I advise the young to tell themselves constantly that most often it is up to them alone.