幸福不能被追求;它必須隨之而來。
Mathematics is not about numbers, equations, computations, or algorithms: it is about understanding.
不要等待完美的時刻,抓住這一刻并讓它變得完美。
The most important single aspect of software development is to be clear about what you are trying to build.
Drawing is honesty. There is no possibility of cheating. It is either good or bad.