Man is very well defended against himself... The actual fortress is inaccessible, even invisible to him, unless his friends and enemies play the traitor and conduct him in by a secret path.

The one conclusive argument that has at all times discouraged people from drinking a poison is not that it kills but rather that it tastes bad.

He divines remedies against injuries; he knows how to turn serious accidents to his own advantage; whatever does not kill him makes him stronger

The Germans are like women, you can scarcely ever fathom their depths - they haven't any.

The unlucky hand dealt to clear and precise writers is that people assume they are superficial and so do not go to any trouble inreading them: and the lucky hand dealt to unclear ones is that the reader does go to some trouble and then attributes the pleasure he experiences in his own zeal to them.

Where I found the living, there I found the will to power; even in the will of servants I found the will to be master.

A man far oftener appears to have a decided character from persistently following his temperament than from persistently following his principles.