君子不镜于水，而镜于人。镜于水，见面之容，镜于人，则知吉与凶。
君子不用水来当镜子，而是拿别人来当镜子。用水当镜子可以看到的是容貌，用人当镜子则可以知道吉凶对错。
Happiness is not the belief that we don't need to change; it is the realization that we can.
"Every portrait that is painted with feeling is a portrait of the artist, not of the sitter."
弦理论的美妙之处在于它提供了一个框架，使引力和量子力学可以和平共处。
