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In mathematics, the simplest questions often lead to the deepest insights.
理解一个国家的首要条件是闻一闻它的味道。
The most beautiful thing in mathematics is the simplicity of the ideas behind the complexity.
When I approach a child, he inspires in me two sentiments; tenderness for what he is, and respect for what he may become.
You can't build an empire without making a few enemies along the way.
We are what we pretend to be, so we must be careful about what we pretend to be.