大国政治的悲剧在于它导致冲突和战争。

The only thing standing between you and your goal is the story you keep telling yourself as to why you can't achieve it.

They can not break me . The only way to break me is to kill me.

数学的快乐来自创造的行为，而不仅仅是结果。

安静可克制躁动，沉稳可克制浮气，宽宏大量能克服心胸狭窄，平缓可克制急躁。

艺术家的角色是提问，而不是回答。