Learning is any change in a system that produces a more or less permanent change in its capacity for adapting to its environment.

中国水果要走出去，首先要解决的是标准化问题。

我不是悲观主义者。我是一个经历了很多的乐观主义者。

Farmers are the first environmentalists, working with nature every day.

我是那种能让你想扇你奶奶一巴掌的人。

The only thing that can stop you is you.

“唯一真正无限的是人类的想象力。”