"I don’t know the key to success, but the key to failure is trying to please everybody." ― Bill Cosby Topic(s): Success Tags: success More From Bill Cosby "I often try to tell kids to think about all the people who love you, don’t cry over the one person who doesn’t." "Gray hair is God’s graffiti." "I guess the real reason that my wife and I had children is the same reason that Napoleon had for invading Russia: it seemed like a good idea at the time." More In Success "Through perseverance many people win success out of what seemed destined to be certain failure."― Benjamin Disraeli "My first attempt at a kiss was in fifth grade, but it didn’t go so well. Later, I used Boyz II Men and Jodeci songs to come on to girls. I had more success."― John Legend "The success of the film is down to the crew."― Dougray Scott