因害怕文字獄而避開，著書只是為了謀生。
We shall know some day that death can never rob us of that which our soul has gained, for her gains are one with herself.
λ演算是一種表示函數(shù)及其應(yīng)用的形式體系。
"The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion."