悲观主义者在每个机会里看到困难。乐观主义者在每个困难里看到机会。
行动是正确的，因为它们倾向于促进幸福；错误是因为它们倾向于产生与幸福相反的结果。
A person may cause evil to others not only by his actions but by his inaction， and in either case， he is justly accountable to them for the injury.
To write is to leave a trace, to make a mark on the world.
我不想变得完美，但我确实想成为一个榜样。