数学不仅仅是数字和方程;它是关于理解宇宙中的深层模式和联系。
The human being is a most curious creature. He thinks he has a soul, but he is a soul; he has a body.
The course of history is the slow march of freedom.
Every setback is a setup for a comeback.
The cost of trying is the lowest.
I want my books to be a mirror, not a window.