Memories， even your most precious ones， fade surprisingly quickly. But I don’t go along with that. The memories I value most， I don’t ever see them fading.
If you want something you’ve never had, you must be willing to do something you’ve never done.
When you live for others' opinions, you are dead.
冒险本身就是值得的。
每一种心理现象都是整个有机体适应环境的功能体现。
领导力的挑战在于强大而不粗鲁；善良而不软弱；大胆而不霸道；深思熟虑而不懒惰；谦逊而不胆怯；自豪而不傲慢；幽默而不愚蠢。
最可持续的森林是当地社区既有利益又有发言权的森林。
数学的乐趣在于发现的旅程，而不仅仅是目的地。