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In mathematics, the simplest questions often lead to the most profound discoveries.
Let it fall rather, yough the fork invade the region of my heart.
大脑在我们二十多岁时仍在形成,这意味着它更容易接受变化。
做伟大工作的唯一途径就是热爱你所做的事。
In the depth of the valley is the road to salvation.