我们应该追随一切似乎可能的,避免一切似乎不可能的。
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。
Even in the tropics it gets colder at night than you think. Pack warmly.
To say something is to perform an action, and to perform an action is to do something with words.