Good breeding consists in concealing how much we think of ourselves and how little we think of the other person.

But behavior in the human being is sometimes a defense a way of concealing motives and thoughts as language can be a way of hiding your thoughts and preventing communication.

By and large language is a tool for concealing the truth.

Originality is the art of concealing your source.

Patience is the art of concealing your impatience.

Cunning is the art of concealing our own defects and discovering other people's weaknesses.