如果你的工作是吃掉一隻青蛙，最好一早就先把青蛙吃掉。如果你的工作必須吃兩隻青蛙，就先從最大的那隻開始吃吧。 

If it's your job to eat a frog, it's best to do it first thing in the morning. And If it's your job to eat two frogs, it's best to eat the biggest one first. 

by.馬克．吐溫-美國文學作家