农业的成功不仅仅是播种，而是培养与土地和依赖它的人的关系。

A scientist’s work is never done.

I don't care what people say about me as long as it isn't true.

你不必成为数学家也能对数字有感觉。

I cannot fix on the hour, or the spot, or the look, or the words, which laid the foundation. It is too long ago. I was in the middle before I knew that I had begun.

Reality is a question of perspective; the further you get from the past, the more concrete and plausible it seems.

不要害怕放弃好的东西去追求伟大的东西。