John D. MacDonald — Novelist born on July 24, 1916, died on December 28, 1986

John Dann MacDonald was an American writer of novels and short stories, known for his thrillers... (wikipedia)

Integrity is not a conditional word. It doesn't blow in the wind or change with the weather. It is your inner image of yourself, and if you look in there and see a man who won't cheat, then you know he never will.
Friendships, like marriages, are dependent on avoiding the unforgivable.