唯一真正的错误是我们从中什么也没学到的错误。
The only real mistake is the one from which we learn nothing.
心理学唯一有效的数据是可观察的行为。
一个设计良好的系统是能够随着时间的推移而发展,而不需要大量的返工。
Love is an act of faith, and whoever is of little faith is also of little love.