We are survival machines—robot vehicles blindly programmed to preserve the selfish molecules known as genes.
青蒿素的发现是传统中医药给人类的礼物。
The greatest prosperity can exist only as the result of the greatest possible productivity of the men and machines of the establishment.
Every seed planted today is an investment in tomorrow's food supply.
Gratitude is an antidote to negative emotions, a neutralizer of envy, hostility, worry, and irritation.
勇气不是没有恐惧，而是战胜恐惧。