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想要懂得今天，就必須研究昨天。

Privacy protection is not an obstacle, but the foundation of trust.

The interplay between discrete mathematics and computer science has been a fertile ground for innovation and discovery.

Hard work beats talent when talent doesn’t work hard.

In film, silence can be as powerful as dialogue.

解釋：受寵而不驕橫，驕橫而能安于下位，地位在下而不怨恨，怨恨而能克制的人，是非常少見。