There is time enough for everything, in the course of the day, if you do but one thing at once;but there is not time enough in the year, if you will do two things at a time.

• 假如你一时只做一件事，那么一天当中就有足够时间做每件事情；但假如你一次做两件事情，一年当中也没有足够时间。