Bill Cosby Quotes | I don't know the key to success, but the key ...

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

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People learn something every day, and a lot of times it's that what they learned the day before was wrong.

— Bill Vaughan

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One of the best indicators of student achievement is the academic success of the mother in the home.

— Tony Danza

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