Instinct is a marvellous thing. It can neither be explained nor ignored.
I did not deceive you, mon ami. At most, I permitted you to deceive yourself.
I am charming to my friends one day, and forget all about them the next.
Everything must be taken into account. If the fact will not fit the theory – let the theory go.
Every murderer is probably somebody’s old friend.
An appreciative listener is always stimulating.