Sincerity is the highest compliment you can pay.

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

Two man talk and one may hear, but three cannot take part in a conversation of the most sincere and searching sort.

A friend is a person with whom I may be sincere. Before him I may think aloud.

It is one of the most beautiful compensations of life, that no man can sincerely try to help another without helping himself

If I know your sect, I anticipate your argument