君子赠人以言，庶人赠人以财。
以真诚之心送人礼物，一定会送自认为最好的东西。俗话说：“听君一席话，胜读十年书”，君子赠人以善语，俗人则赠人以财物。
A good system design is one that makes it easy to do the right thing and hard to do the wrong thing.
Light is the great revealer of form.
