All men whilst they are awake are in one common world: but each of them, when he is asleep, is in a world of his own.

All men whilst they are awake are in one common world: but each of them, when he is asleep, is in a world of his own.

所有人在醒着的时候都是置身于同一个世界，但在睡着之后，却都置身于自己的世界。

-- Plutarch 冥王星