It has always been easy to hate and destroy. To build and to cherish is much more difficult.

"The more you try to understand the truth, the less you know."

"Life is either a daring adventure or nothing at all."

语言是思想的皮肤。

过去从未死去，它甚至还没有过去。

每个数学问题都有一个解决方案；只是需要时间和创造力来找到它。