555  We are in the habit of exaggerating or imagining or anticipating sorrow. We are torn by things present or about things yet to come. Consider whether your proofs of future troubles are sure. For it is more often the case that we are troubled by our apprehensions.
617  You have to learn the rules of the game. And then you have to play better than anyone else.
587  Our greatest weakness lies in giving up. The most certain way to succeed is always to try just one more time.
548  You must not lose the faith in Humanity. Humanity is an ocean, if the few drops of ocean are dirty, the ocean does not become dirty....
1061  There is never enough time to do everything, but there is always enough time to do the most important thing.