I think the best way to give back is to be a good person.

黑夜比白昼更忠诚。

The rat in the maze is not just learning a series of turns, but is building up a cognitive map of the whole situation.

在科学中最令人兴奋的短语，预示着新发现的，不是“我找到了！”而是“这很有趣...”

我们就是土地，土地就是我们。