夏天的飞鸟，飞到我窗前唱歌，又飞去了。秋天的黄叶，他们没有什麽可唱的，只是叹息一声，飞落在那里。

Writing is a way of life, a way of being in the world.

An understanding of the natural world and what's in it is a source of not only a great curiosity but great fulfillment.

下一次绿色革命必须是高产且对环境负责的。

The human being cannot live in a condition of emptiness for very long: if he is not growing toward something, he does not merely stagnate; the pent-up potentialities turn into morbidity and despair, and eventually into destructive activities.