We must remember that in nature there are neither rewards nor punishments—there are consequences.

真正明智的教师不会邀请你进入他智慧的房子，而是引导你到自己心灵的门槛。

We wish to discuss a structure for salt of deoxyribose nucleic acid. This structure has novel features which are of considerable biological interest.

成功不是偶然的，而是通过不断的努力和坚持得来的。

译文：天气不寒冷，地面就不会被冻住，人没有到伤心的时候就不会流泪。赏析：人的言行总是随着外物的变化而变化。不以物喜不以己悲，其实很难做到的。