Every extension of knowledge arises from making the conscious the unconscious.

Creativity is allowing yourself to make mistakes. Art is knowing which ones to keep.

Education alone can conduct us to that enjoyment which is, at once, best in quality and infinite in quantity.

Great events make me quiet and calm; it is only trifles that irritate my nerves.

To do nothing is sometimes a good remedy.

You have not converted a man because you have silenced him.

Doubt is not a pleasant condition but certainty is an absurd one.

When once a man has made celebrity necessary to his happiness, he has put it in the power of the weakest and most timorous malignity, if not to take away his satisfaction, at least to withhold it. His enemies may indulge their pride by airy negligence and gratify their malice by quiet neutrality.

No man can be happy without a friend, nor be sure of his friend until he is unhappy.

No person was ever honored for what he received. Honor has been the reward for what he gave.