证明的目的是理解,而不仅仅是验证。
Life is a thousand-petaled lotus; by refusing to bloom, I also refuse to wither.
I try to write books that are both entertaining and thought-provoking.
The best things in life are free.
谁不付出就什么都得不到,最大的不幸不是没人爱,而是没有人去爱。