A mathematician is a person who can find analogies between theorems; a better mathematician is one who can see analogies between theories and the best mathematician can notice analogies between analogies.
静坐的时候才知道平日的心浮气躁,独自呆着不说话才知道平日言语暴躁多话。反省行为才知道平日心情忙乱,闭门拒绝客友才知平日交友泛滥。少欲望才知道平日多病。近人情才知道平日待人处事的苛刻。
最好的领导者是那些能够预见未来的人。
If you ask me what I came into this life to do, I will tell you: I came to live out loud. 
世界上只有一种英雄主义:看清这个世界,然后爱它。