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General relativity has passed every test we’ve thrown at it, even near a supermassive black hole.

A person may cause evil to others not only by his actions but by his inaction， and in either case， he is justly accountable to them for the injury.

完成比完美更重要。

絕不能為了速度而犧牲質量。

The more you know, the less you need.

我對自由意志和先驗宿命的理解：它們是一樣的。