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科学的进步不仅通过知识的积累来衡量,还通过提出新问题的能力来衡量。
The only phrase I've ever disliked is, 'Why, we've always done it that way.' I always tell young people, 'Go ahead and do it. You can always apologize later.'
There is no absolute security, only relative risk control.
最好的故事会为读者的想象力留下跳舞的空间。