We ought to see far enough into a hypocrite to see even his sincerity. – G. K. Chesterton

That which we call sin in others is experiment for us. – Ralph Waldo Emerson, “Experience”

When a stupid man is doing something he is ashamed of, he always declares that it is his duty. – George Bernard Shaw

Hypocrisy is the most difficult and nerve-racking vice that any man can pursue; it needs an unceasing vigilance and a rare detachment of spirit. It cannot, like adultery or gluttony, be practiced at spare moments; it is a whole-time job. – W. Somerset Maugham