衡量矿业公司成功的真正标准是它能否为后代留下积极的遗产。

幸せとは、自分が幸せだと思える瞬間を大切にすることだ。

释义：人必须在现实事务中进行磨练，才能立定脚跟，无论外界是月朗风清还是狂风骤雨，都能保持内心平静坚定。

To engage in agriculture, one must have patience and endure solitude.

I'm mentioning all this -- I'm mentioning all this because I think this is not merely a personal problem; you may think I'm wrong in this, but I think we live in an age when our lives are regularly punctuated by career crises, by moments when what we thought we knew -- about our lives, about our careers -- comes into contact with a threatening sort of reality.

认真对待你喜欢的一切，除了你自己。

学习数学的唯一方法就是做数学。