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在数学中,最简单的问题往往能引出最深刻的见解。
In mathematics, the simplest questions often lead to the deepest insights.
The obligation of subjects to the sovereign is understood to last as long, and no longer, than the power lasteth by which he is able to protect them.
The most important thing you can do to achieve your goals is to make sure that as soon as you set them, you immediately begin to create momentum.