1627  Man needs his difficulties because they are necessary to enjoy success,
1851  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.
2504  True morality consists, not in following the beaten track, but in finding a new path for ourselves and in fearlessly following it.
3739  “A thousand words will not leave so deep an impression as one deed.”
4064  “But in the end one needs more courage to live than to kill himself.”