I'll leave you with one that I have hanging on my office wall, compliments of Nike: Impossible is nothing.
Muhammad AliSomeone stole my bicycle and I said I was going to learn to fight so that I could catch him and beat him up. But I never did catch him. But I ended up the champ of the whole world.
Muhammad AliThe greatest victory in life is to rise above the material things that we once valued most
Muhammad Ali