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The future is not something to be predicted, but something to be achieved.
I think the best thing you can do is to be true to yourself.
"A writer's duty is to tell the truth, no matter how painful."
科学是关于理解我们周围的世界,这种理解可以带来令人难以置信的进步。
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.