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Mathematics is not about numbers, equations, computations, or algorithms: it is about understanding.
数学不是关于数字、方程、计算或算法的:它是关于理解的。
Cognitive biases are like optical illusions of the mind; they trick us into seeing the world not as it is, but as we expect or want it to be.
Never ask a woman if she is pregnant. Let her tell you if she is.
"You can't live your life for other people. You've got to do what's right for you, even if it hurts some people you love."