Precision agriculture isn't replacing farmers - it's empowering them.

I’m a firm believer in the theory that you only get out what you put in.

I think it would be a disaster. The extraterrestrials would probably be far in advance of us. The history of advanced races meeting more primitive people on this planet is not very happy, and they were the same species. I think we should keep our heads low.

掌握医学知识的关键在于将理论与实践联系起来。

暴力中没有长存的希望，只能从绝望中得到暂时的解脱。