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。
The dynamics of perception are governed by the principle of Prägnanz (good form).
The core of technological innovation is to solve practical problems, not to innovate for the sake of innovation.