"Courage is going from failure to failure without losing enthusiasm."

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

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

"Continuous effort -not strength or intelligence- is the key to unlocking our potential."

"Any 20 year-old who isn't a liberal doesn't have a heart, and any 40 year-old who isn't a conservative doesn't have a brain."