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Happiness and unhappiness depend upon the opinion we have of things.
The fact is that women have more power and influence in America today than at any other time in our history.
The future of an enterprise lies in innovation, not imitation.
我们是没说出的话的主人。我们是说出的话的努力。
生物学中的主要问题不是通过新技术解决的,而是通过新概念解决的。