The best moments in our lives are not the passive, receptive, relaxing times… The best moments usually occur if a person’s body or mind is stretched to its limits in a voluntary effort to accomplish something difficult and worthwhile.
人生中最美好的时刻，不是那些被动、接受、放松的时光……最美好的时刻通常发生在一个人自愿努力去完成一项艰难而有价值的事情时，身体或心灵被拉伸到极限的时候。
Writing is a way of discovering what you think, of exploring the world and your place in it.
艺术不是你看到的，而是你让别人看到的。
在数学中，提出问题的艺术必须比解决问题更有价值。
The only true thoughts are those which do not understand themselves.
译文：结交朋友要始终如一，不要因为地位升降就中途分手。赏析：我们要结交知心朋友，不管我们的身份如何改变，对待朋友的态度都要矢志不渝。不能因为自己的名位高和钱财多就疏远朋友。
Children totally accept — and crave — family rules. “In our family we have a rule for X” is the only excuse a parent needs for setting a family policy. In fact， “I have a rule for X” is the only excuse you need for your own personal policies.
不要等待机会，创造机会。
