When you become senile, you won't know it.
Bill Cosby

In order to succeed, your desire for success should be greater than your fear of failure.
Bill Cosby

Old is always fifteen years from now.
Bill Cosby

I don't know the key to success, but the key to failure is trying to please everybody.
Bill Cosby

A word to the wise ain't necessary - it's the stupid ones that need the advice.
Bill Cosby

You can turn painful situations around through laughter. If you can find humor in anything, even poverty, you can survive it.
Bill Cosby

Decide that you want it more than you are afraid of it.
Bill Cosby

Human beings are the only creatures on earth that allow their children to come back home.
Bill Cosby