An optimist may see a light where there is none, but why must the pessimist always run to blow it out?

An optimist may see a light where there is none, but why must the pessimist always run to blow it out?

乐观的人也许能在没有希望的地方看到希望，但为什么悲观的人总要跑去把它吹灭呢?

-- Michel de Saint-Pierre 圣皮埃尔