Don't quit. Never give up trying to build the world you can see, even if others can't see it. Listen to your drum and your drum only. It's the one that makes the sweetest sound.
Champions are not the ones who always win races—they are the ones who get out there and try. And try harder the next time. And even harder the next time. 'Champion' is a state of mind.
I think that the power is the principle. The principle of moving forward, as though you have the confidence to move forward, eventually gives you confidence when you look back and see what you've done.
There may sometimes be ungenerous attempts to keep a young man down; and they will succeed, too, if he allows his mind to be diverted from its true channel to brood over the attempted injury.