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農業成功的真正標準是跨代的可持續性。

最好的角色是那些在合上書后仍長久留在你心中的人。

I have held many things in my hands, and I have lost them all; but whatever I have placed in God's hands, that I still possess.

科學中最重要的不是獲得新的事實，而是發現新的思考方式。

The essence of science is not in the knowing but in the seeking.

The desire for recognition, the thymotic part of the soul, is the most politically dangerous part of human nature.

真相很少是純粹的，也從來不是簡單的。