1. Pessimists say that the glass is half empty, but I am an
optimist and say that it is half full.
悲观主义者说那个杯子是半空的，但是我是乐观主义者，我说那个杯子是半满的。
2. An
optimist sees an opportunity in every calamity; a pessimist sees a calamity in every opportunity.
乐观者在每一个灾难中看到机会，悲观者在每一个机会中看到灾难。
3. The pessimist complains about the wind; the
optimist expects it to change; the realist adjusts the sails.
悲观主义者抱怨有风；乐观主义者希望风向改变；现实主义者调整船帆。
