Don’t be afraid to fail, be afraid not to try.

This is true: It’s hard to cheat an honest man.

小农户是全球粮食安全的支柱——他们值得投资和尊重。

从失败中学习比庆祝成功更有价值。

The whole of science is nothing more than a refinement of everyday thinking.

智者从敌人那里学到的比愚者从朋友那里学到的还要多。

The human being is the only animal that thinks about the future.