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The worst pain a man can suffer is to have insight into much and power over nothing.
A mathematician's work is never done; there are always new questions to ask and new mysteries to solve.
这就是学习。你突然以一种新的方式理解了你一生都在理解的东西。
The only way to do great work is to love what you do. If you haven't found it yet, keep looking. Don't settle.
弦理论提供了一个框架,使得量子力学和广义相对论能够和谐共存。