无限的概念不仅仅是一个数学抽象，而是一个物理现实。
To love means loving the unlovable. To forgive means pardoning the unpardonable. Faith means believing the unbelievable. Hope means hoping when everything seems hopeless.
I always believe if you’re stuck in a hole and maybe things aren’t going well you will come out stronger. Everything in life is this way.
The world is a book, and those who do not travel read only a page.