小人亦有坦荡荡处，无所忌禅是也；君子亦有长戚戚处，终身之忧是也。
小人也有坦荡之处，因为无所忌讳；君子亦有忧戚之处，因终生都忧国忧民。
In mathematics, you don't understand things. You just get used to them.
试管婴儿的研究是出于帮助不孕夫妇的愿望。
学无止境者比无所不知者做得更好。
The eyes of my characters are the most important part. They hold the emotion.
Mental processes exist because they serve a purpose.