Geometry is not just about shapes; it is about understanding the space we live in and the relationships within it.

A well-tied tie is the first serious step in life.

伟大的领导者不仅仅领导人们——他们激励人们领导自己。

我不是说唱歌手，我是一个说话的传奇。

The past is never dead. It's not even past.

数学的本质在于它的自由。