A pessimist is one who makes difficulties of his opportunities and an optimist is one who makes opportunities of his difficulties.
悲观主义者是在机遇中创造困难的人，乐观主义者是在困难中创造机遇的人。
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Difficulties
悲观主义者是在机遇中创造困难的人，乐观主义者是在困难中创造机遇的人。