If today were half as good as tomorrow is supposed to be, it would probably be twice as good as yesterday was.

If today were half as good as tomorrow is supposed to be, it would probably be twice as good as yesterday was.

如果今天的成绩只有明天的一半，那么今天的成绩很可能是昨天的两倍。

-- Norman Ralph Augustine 诺曼·拉尔夫·奥古斯丁