We are moved by self-interest, even when we seek to do good to others.

They will call you immoral if you dare to describe their immorality

A saint is not a person who does not sin; but a sinner who never stops doing good

There is no human relationship that is not based on self-interest

Hypocrisy is the faction of the self.

He was very religious; he believed that he had a secret pact with God which exempted him from doing good in exchange for prayers and piety.