The best time to plant a tree was 20 years ago; the second-best time is now.

农民是我们食品系统中无名的英雄，他们的决策塑造着国家的健康。

我们都有自己应对世界的方式。

The most successful modern states are those that have been able to harness the power of the market while maintaining a strong state that can provide public goods and regulate private activity.

The future depends on what you do today.

The moment you stop to think about whether you love someone, you've already stopped loving that person forever.

知识的最大敌人不是无知，而是对知识的幻觉。