The true power of mathematics is not in its complexity, but in its simplicity and elegance.

积极情绪就像是心灵的营养，帮助我们成长和蓬勃发展。

The pursuit of knowledge is a journey without end, but each step brings its own rewards.

每个故事都是一次旅程，每次旅程都会改变旅者。

Real freedom does not mean that you can do anything you want, rather you can reject what you do not want to do.