1655  Man needs his difficulties because they are necessary to enjoy success,

1903  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.

2028  There are more things..likely to frighten us, than to crush us.We suffer more in the imagination than in reality.

2000  You have to learn the rules of the game. And then you have to play better than anyone else.

2078  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....