“He should be careful. It's dangerous to be an honest man.”
Source: The Godfather
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Mario Puzo 53
American Novelist 1920–1999Related quotes

“No man is wise or safe, but he that is honest.”
Advice to the Earl of Rutland on his Travels (1596)

"Honest People Have Rights, Too" (8 February 1960).
Scientology Bulletins

“However roguish a man may be, he always loves to deal with an honest man.”
Letter, Philadelphia, to Rachel Smithers (6 July 1794), published in The Autobiography of William Cobbett: The Progress of a Plough-boy to a Seat in Parliament, ch. 5, p. 57 (1933).

The establishing of a fact.
Pt. IV, ch. 4
Anna Karenina (1875–1877; 1878)

The trial of Charles B. Reynolds for blasphemy (1887)
Context: Religions are for a day. They are the clouds. Humanity is the eternal blue. Religions are the waves of the sea. These waves depend upon the force and direction of the wind -- that is to say, of passion; but Humanity is the great sea. And so our religions change from day to day, and it is a blessed thing that they do. Why? Because we grow, and we are getting a little more civilized every day, -- and any man that is not willing to let another man express his opinion, is not a civilized man, and you know it. Any man that does not give to everybody else the rights he claims for himself, is not an honest man.
“I’ll tell you, nothing is so dangerous as ambition in a man who cares not who stands in his way.”
Source: The True Game, The Flight of Mavin Manyshaped (1985), Chapter 3 (p. 48)

“She cared about him too much, and he was a dangerous person to love. He wouldn't love her back.”
Source: My Name Is Memory