The essence of mathematics lies in its freedom.
The greatest teacher is called “doing”.
世界文明的命运取决于为全人类提供体面的生活水平。
对我们森林最大的威胁不是伐木,而是漠不关心。
I'm not perfect, but I'm perfectly me.
Institutions matter more than we sometimes acknowledge.
时间不会治愈伤口,而是将它们变成定义我们的伤疤。
The more you take responsibility for your past and present, the more you're able to create the future you seek.