书是一扇门，你打开它，然后走进去。

未来属于那些相信自己梦想之美的人。

伦理学的任务不仅是理解世界，而且是改变世界。

Make you the most impatient are your greatest source of learning.

History is not the past. It is the method we have evolved of organizing our ignorance of the past.

Sustainability is not an option; it's the only path forward for agriculture.

过去从未死去，它甚至不是过去。