“What is great in man is that he is a bridge and not an end.”

That which does not kill us makes us stronger.

Become who you are.

It is not a lack of love, but a lack of friendship that makes unhappy marriages.

Without music, life would be a mistake.

And we should consider every day lost on which we have not danced at least once.

He who fights with monsters should look to it that he himself does not become a monster.

A casual stroll through the lunatic asylum shows that faith does not prove anything.

Whoever fights monsters should see to it that in the process he does not become a monster.