The love of a teacher is like drops of dew, which can revive even a withered soul; the love of a teacher is like a warm spring breeze, which can melt even frozen emotions.

可持续性不是一种选择；它是农业未来的必需品。

We've done price elasticity studies, and the answer is always that we should raise prices. We don't do that, because we believe -- and we have to take this as an article of faith -- that by keeping our prices very, very low, we earn trust with customers over time, and that that actually does maximize free cash flow over the long term.

The more you dwell in the past, the less you prepare for the future.

不要把事实告诉不值得的人。