You should only confide your secrets to someone who has not tried to guess them.
Prejudices are the refuge of those who cannot think for themselves.
Doubt is a necessity of the mind, faith of the heart.
We often make people pay dearly for what we think we give them.
The best way to find out if a man has done something is to advise him to do it. He will not be able to resist boasting that he has done it without being advised.