Where there is much pretension, much has been borrowed; nature never pretends.

Thinkers are scarce as gold; but he whose thoughts embrace all his subject, and who pursues it uninterruptedly and fearless of consequences, is a diamond of enormous size.

Thinkers are as scarce as gold.

He, who cannot forgive a trespass of malice to his enemy, has never yet tasted the most sublime enjoyment of love.

He submits himself to be seen through a microscope, who suffers himself to be caught in a fit of passion.

The conscience is more wise than science.

Mistrust the man who finds everything good, the man who finds everything evil and still more the man who is indifferent to everything.