A man convinced against his will Is of the same opinion stil... - Dale Carnegie, How to Win Friends and Influence People

"Don't be afraid of enemies who attack you. Be afraid of the friends who flatter you."

"When dealing with people, remember you are not dealing with creatures of logic, but with creatures bristling with prejudice and motivated by pride and vanity."

"It isn't what you have or who you are or where you are or what you are doing that makes you happy or unhappy. It is what you think about it."

"It isn't what you have or who you are or where you are or what you are doing that makes you happy or unhappy. It is what you think about it."

"It isn't what you have or who you are or where you are or what you are doing that makes you happy or unhappy. It is what you think about it."