译文：山间的溪水容易上涨和退却，小人的心思容易反反复复。赏析：君子胸怀坦荡，光明磊落，真诚待人，和君子相处，如沐春风，让人心旷神怡。而小人心胸狭窄，鸡肠鼠肚，睚眦必报，和小人交往，无异于和豺狼同行。
To try to write love is to confront the muck of language: that region of hysteria where language is both too much and too little, excessive and impoverished.
数学研究是一场没有终点的旅程。
Much of what I stumbled into by following my curiosity and intuition turned out to be priceless later on.