The suffering may be moral or physical; and in my opinion it is just as absurd to call a man a coward who destroys himself, as to call a man a coward who dies of a malignant fever.

Is this the destiny of man? Is he only happy before he has acquired his reason or after he has lost it?

He who is resolute conquers grief.

Death is a commingling of eternity with time; in the death of a good man, eternity is seen looking through time.

The thinker makes a great mistake when he asks after cause and effect. They both together make up the indivisible phenomenon.

Presents at once? That's good. He is sure to succeed.

Experiments are mediators between nature and idea.