胆大是行动的开端，但命运决定了它的结局。

The consequences of this problem make themselves felt in bookshops. When you go to a large bookshop and look at the self-help sections, as I sometimes do -- if you analyze self-help book sproduced in the world today, there are basically two kinds. The first kind tells you, "You can do it! You can make it! Anything's possible!" The other kind tells you how to cope with what we politely call "low self-esteem," or impolitely call, "feeling very bad about yourself."

诗歌可以激发情感，可以观察社会，可以交流思想，可以抒发怨愤。

翻译：君主不应该因为发怒而兴兵，将领也不应该因为发怒而出战。符合国家利益就行动，不符合国家利益就停止。愤怒可以转变为欢喜，恼怒也可以转为喜悦，但国家灭亡了就不能再建立，人死了就不能复活。

过去不等于未来。

I'm not a person who likes to be normal.

数学中最重要的是要有良好的直觉。