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Go for a business that any idiot can run – because sooner or later, any idiot probably is going to run it.
The truth is rarely pure and never simple.
"To live is the rarest thing in the world. Most people exist, that is all."
To write is to resist the noise of the world.
在观察性研究中,我们常常不得不依赖于无法直接检验的假设。