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When you solve a mathematical problem, you don't just get the answer - you understand why it's the answer.
自由并非存在于对自然法则的梦幻般的独立之中,而是存在于对这些法则的认知中,以及由此产生的有系统地使它们朝着明确目标发展的可能性中。
Innovation is not about inventing new things, but doing old things in new ways.
The light constantly changes, and that alters the atmosphere and beauty of things every minute.
I think it's rarely about what you actually learn in class—it's mostly about what questions you ask yourself.