Program testing can be used to show the presence of bugs, but never to show their absence!
愤怒是一种强大的力量,但它也可以是一种创造性的力量。
Consciousness is the phenomenon whereby the universe's very existence is made known.
起初他们忽视你,然后嘲笑你,接着与你对抗,最后你获胜。
"Every saint has a past, and every sinner has a future."