发愤研究学问，常常忘记吃饭，一旦有所收获便又高兴地忘记了忧愁，连自己的渐趋衰老也没有感觉到。

"We are all the sum of our choices, but also of the choices made for us by others."

It is not shame for a man to learn that which he knows not，whatever his age.

——在就任的第一次新闻发布会上，温格就挖苦了死对头热刺一番

解释：饿了再吃，粗茶淡饭味道也像吃肉一样可口。安稳走路就不会感觉到劳累，权当坐车。