人似乎分为好人和坏人。好人睡得好一些，而坏人似乎能更好地享受醒着的时间。

"Sometimes, the hardest part isn't letting go but rather learning to start over."

The greatest obstacle to being heroic is the doubt whether one may not be going to prove one's self a fool; the truest heroism is to resist the doubt; and the profoundest wisdom, to know when it ought to be resisted, and when it be obeyed.

The leather industry must evolve to meet both environmental standards and consumer expectations without compromising quality.

Every challenge is an opportunity in disguise.

If you meddle in other people's marriages you may lose a friend, but acquire his wife.

集合论的悖论不应被视为理论本身的不一致，而应被视为表明某些被认为有效的推理方法实际上并非如此。

刀展示了锋利，而试刀砍头的人将遭到不祥。