你无法改变周围的人，但你可以选择与谁为伍。
You can’t change the people around you, but you can change the people you choose to be around.
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.
The forest is a teacher—if we are willing to learn.
The strength of a habit is proportional to the amount of reinforcement.