The pessimist sees difficulty in every opportunity.
The optimist sees opportunity in every difficulty.
悲观主义者在每个机会里看到困难，
乐观主义者在每个困难里看到机会。
Key words:
pessimist n. 悲欢主义者；悲观的=pessimistic；press the button 按下按钮； (形容词后缀ic→historic，electric）electric guitar
difficulty n. 困难；have difficulty in doing sth. I have difficulty in speaking Russian. 我说俄语有困难/我不会说俄语。人→difficult=难对付；I think my boss is very difficult.
optimist n. 乐观主义者；乐观的=optimistic
