It is best to be yourself, imperial, plain and true.

The merit of originality is not novelty; it is sincerity.

Sincerity and truth are the basis of every virtue.

A wit should no more be sincere, than a woman constant; one argues a decay of parts, as to other of beauty.

Every man alone is sincere. At the entrance of a second person, hypocrisy begins.

Weak people cannot be sincere.

There is no greater delight than to be conscious of sincerity on self-examination.

The great man fights the elements in his time that hinder his own greatness, in other words his own freedom and sincerity.

Sincerity: if you can fake it, you've got it made.

It doesn't matter what you believe just so long as you're sincere.

Sincerity makes the very least person to be of more value than the most talented hypocrite.

Sincerity gives wings to power.