For several years more I maintained public relations with the Almighty. But privately, I ceased to associate with him. - Jean-Paul Sartre
The mature man lives quietly, does good privately, takes responsibility for his actions, treats others with friendliness and courtesy, finds mischief boring and avoids it. Without the hidden conspiracy of goodwill, society would not endure an hour. - Kenneth Rexroth
Reprove thy friend privately; commend him publicly. - Solon