Those who deny freedom to others, deserve it not for themselves; and, under a just God, can not long retain it.
A good algorithm is like a sharp knife—it does exactly what it is supposed to do with a minimum of applied effort.
正是通过观察和反思的力量,人们才能找到方法。所以我们必须不断挖掘和钻研。
性能的关键在于优雅,而不是大量的特殊情况。
The philosopher in the bedroom is as ludicrous a figure as the philosopher in the nightclub.