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.

技术没有边界，但商业要聚焦。

【讲解】：我十五岁时开始立志学习，三十岁时能立足与社会，四十岁时能通情达理遇事不再疑惑，五十岁时懂得了天命的道理，六十岁能听的进不同的意见，到了七十岁时已经达到随心所欲，想怎么做就怎么做，也不会超出规矩。