When you look long into an abyss, the abyss looks into you.
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。
不确定性原理不是我们知识的限制，而是自然界的基本属性。
The man who is fit to work at any particular trade is unable to understand the science of that trade without the kindly help and cooperation of men of a totally different type of education.