“In business sharp practice sometimes succeeds, but in art honesty is not only the best but the only policy.”
“Honesty is the best policy.”
“Honesty's the best policy.”
“Honesty is the best policy - when there is money in it.”
“Honesty may be the best policy, but it's important to remember that apparently, by elimination, dishonesty is the second-best policy.”
“Honesty is the best policy because there can be nothing less.”