In mathematics, the art of proposing a question must be held of higher value than solving it.

The best way to be happy is to follow your heart.

【译文】 孔子说：“明智的人喜欢水，仁慈的人喜欢山；明智的人好动，仁慈的人好静；明智的人快乐，仁慈的人长寿。”

Perception is the result of the activity of the five senses; through sensation, we come to know the world.

如果你不改变自己，就会被别人改变。