爱是一种痛苦。如果你感觉不到痛苦，那就不是爱。

You are never too old to set another goal or to dream a new dream.

The greatest enemy of a good plan is the dream of a perfect plan.

The most revolutionary tool in modern agriculture isn't a machine—it's the farmer's knowledge passed down through generations.

译文：过度沉沦在情欲爱恋里，就会掉入苦海，对名利的欲望太过炽热，就会踏入火坑。赏析：我们一味贪图情欲的爽乐，就会丧失人生的追求。我们过分贪求名利，迟早会被它吞噬掉。不管是情欲还是名利，我们要合理地拥有它，正确地拥有又能看破它，才是一个智者。

The man who is fit to work at any particular trade is unable to understand the science of that trade without the help and guidance of those who are working with him or over him.

世界充满了神奇的事物，耐心地等待着我们的感官变得更加敏锐。

无论天塌了多少次，我们都得活下去。