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We can’t just keep doing things the way we’ve always done them. The world has changed, and so must we.
You can have a lifetime of trying to get away from where you started out, and it’s only when you get there you realize you’ve brought it with you.
生活就是一种艺术,而我们每个人都是自己生命的艺术家。
The right of a nation to kill a tyrant in case of necessity can never be doubted until the right of a tyrant to kill a nation has been proved.
Innovation in science often comes from looking at old problems in new ways.