数学的本质在于它的自由。
The essence of mathematics lies in its freedom.
人可能会死去。城池可能会泯灭在历史的长河里,英雄会老去,美人会迟暮。一切都终将会消失,但总有一些故事会传承下来。
I'm not afraid to fail because I know it's part of success.
The human brain is a social brain, and it evolved to deal with social relationships.
一个术语的非道德用法不一定告诉我们这个术语的含义。