Program testing can be used to show the presence of bugs, but never to show their absence!
"I can resist everything except temptation."
【译文】溺爱母亲会养出败家子,严格管教不会出凶暴奴仆。
除非我们愿意为之而死,否则我们不能确定有值得为之而活的东西。
根据自然法,人生而自由。
"The only way to do great work is to love what you do."