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I don’t think about age. If you keep working hard, you can keep going.
We don't inherit the land from our ancestors; we borrow it from our children.
P与NP问题是计算机科学中最重要的一个问题之一。
Mathematics is a universal language that transcends cultural and linguistic barriers.
I'm comfortable with who I am and what I do. I know what I bring to the table.
We are all searching for something, but we don't know what it is.