Mathematics is not just a tool; it is a way of thinking.
义务是由于对法则的敬重而产生的行为必要性。
The reality is: sometimes you lose. And you’re never too good to lose. You’re never too big to lose. You’re never too smart to lose. It happens.
艺术不是反映现实的镜子，而是塑造现实的锤子。