司马牛问君子。孔子说：“君子不忧不惧。”问：“不忧不惧，就能叫做君子吗？”孔子说：“问心无愧，何来忧惧？”

He who knows only his side of the case knows little of that.

I think that in mathematics, and maybe in life, you have to be willing to be a little bit lost.

"The most dangerous stories are the ones we tell ourselves."

城市的建筑应该讲述它的故事。

真正的力量来自于内心的平静。

无色的绿色念头愤怒地睡觉。