石头或许坚硬,但我们的决心必须更加坚定。
自然界的法则是智慧的根本。
一无所有只能换来一无所有。
释义:开始时做得好的人确实很多,但能够坚持到底的人却很少。这句话揭示了人们在做事过程中往往容易虎头蛇尾,难以善始善终。 
一本书应该是一种体验,而不仅仅是你阅读的东西。
A journey is a person in itself; no two are alike. And all plans, safeguards, policing, and coercion are fruitless. We find after years of struggle that we do not take a trip; a trip takes us.
A good person will follow the rules, a great person will follow himself.