行为主义者对人类行为的兴趣不仅仅是旁观者的兴趣——他想要控制人类的反应，就像物理科学家想要控制和操纵其他自然现象一样。
As to the gods, I have no means of knowing either that they exist or that they do not exist. For many are the obstacles that impede knowledge, both the obscurity of the question and the shortness of human life.
No arts; no letters; no society; and which is worst of all, continual fear, and danger of violent death; and the life of man, solitary, poor, nasty, brutish, and short.
In computing, the mean time to failure keeps getting shorter.
True leaders don't create followers; they create more leaders.
Write a program as carefully as you write a letter.