始终使用止损单。

热力学第二定律，以克劳修斯给出的形式，告诉我们自然界存在趋向某种我们称之为热平衡状态的倾向。

Perhaps one day you muster the courage, to make a clean breast of everything in the heart only ended up to let others see the joke, because they did not understand you to say what, also don't know why do you think things are so important, say, almost cried out. I think the worst thing in the world, than with full of heart and secret, but no one can tell, but no one can understand!

数学证明的优雅在于其简洁和清晰。

当一个人用本真的面目说话时，他最不像自己。给他一个面具，他就会告诉你真相。

Literature is an expression, an exploration of the inner self.