"Failure is not fatal, but failure to change might be."

"Success is never final, failure is never fatal. It's courage that counts."

"You can't let your failures define you - you have to let your failures teach you. You have to let them show you what to do differently the next time."

"A success that has outlived its usefulness may, in the end, be more damaging than failure."

"For millions of years, mankind lived just like the animals. Then something happened which unleashed the power of our imagination. We learned to talk and we learned to listen. Speech has allowed the communication of ideas, enabling human beings to work together to build the impossible. Mankind's greatest achievements have come about by talking, and its greatest failures by not talking."

"The men who try to do something and fail are infinitely better than those who try nothing and succeed."

"If you're not making mistakes, then you're not doing anything. I'm positive that a doer makes mistakes."

"Do not fear mistakes. You will know failure. Continue to reach out."

"My great concern is not whether you have failed, but whether you are content with your failure."

"Success consists of going from failure to failure without loss of enthusiasm."

"Success is going from failure to failure without a loss of enthusiam."

"Success is not final, failure is not fatal: it is the courage to continue that counts."

"Socialism is a philosophy of failure, the creed of ignorance, and the gospel of envy, its inherent virtue is the equal sharing of misery."

"Ambition is the last refuge of the failure."

"In all our deeds, the proper value and respect for time determines success or failure."