成为英雄的最大障碍是怀疑自己是否会证明自己是个傻瓜；真正的英雄主义是抵制这种怀疑；最深刻的智慧是知道何时应该抵制它，何时应该服从它。

The most sustainable harvest is one that leaves the forest healthier than we found it.

不一定是你我的母亲，而是一个理想母亲的想象，一个永远义无反顾的爱你，不在乎你是否功成名就的人，不幸地，大部分世人都不怀有这种母爱，大部分世人决定要花费多少时间，给于多少爱，不一定是浪漫的那种爱，虽然那也包括在内，世人所愿意给我们的关爱、尊重，取决于我们的社会地位。

农业的未来在于平衡生产力与环境管理的可持续实践。

Money is overrated. Truly new things rarely need an abundance of money. If that was so， billionaires would have a monopoly on inventing new things， and they don’t. Instead almost all breakthroughs are made by those who lack money， because they are forced to rely on their passion， persistence and ingenuity to figure out new ways. Being poor is an advantage in innovation.

所以大国攻打小国，那是互相残害，大国的错误必然反过来使其本国受害。