It's not about being perfect, it's about being better than you were yesterday.

孤独是自由的代价。

Limiting beliefs are the prisons of the mind, and learning is the key to freedom.

I want to liberate America from all the things that hold people back.

Climate models are like time machines - they allow us to peer into possible futures.

Every harvest teaches us something new; the land is the best professor if we're willing to listen.

辩论的时间已经结束；行动的时间就是现在。

我不是一个回头看的人，我总是向前看。