A few more I found:
"The only place where success comes before work is in the dictionary." -Vidal Sassoon
"You miss 100% of the shots you don't take." -Wayne Gretzky
"Nothing is impossible, the word itself says, ‘I'm possible!'" -Audrey Hepburn
"If at first you don’t succeed, try, try again. Then quit. There’s no use being a **** fool about it." —W.C. Fields
"No one can make you feel inferior without your consent." -Eleanor Roosevelt
"Holding onto anger is like drinking poison and expecting the other person to die." -Buddha
"He who angers you conquers you." -Elizabeth Kenny
"Arguing with a fool proves there are two." -Doris Smith