The key to success in research is to focus on fundamental problems that have long-term impact.
人生只能做自己决定的事情。但是,自己决定的事情,什么都能做到。
The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion.
【释义】:礼节重在相互回应。送出礼遇而对方不回应,这是不合礼数的;接受了别人的礼遇却不回报,同样也是不符合礼的要求。