It is the quietest and meekest people who are often capable of the most sudden and unexpected violences for the reason that when their control does snap, it goes entirely. (Hercule Poirot)

I did not deceive you, mon ami. At most, I permitted you to deceive yourself.

One must make one's own mistakes

Be sure thy sin will find thee out.

There is something about conscious tact that is very irritating.

The first time you do a thing is always exciting.

Evil is not something superhuman, it's something less than human.