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数学的本质不是把简单的事情复杂化,而是把复杂的事情简单化。
你必须适应,否则就会被淘汰。
La palabra es el instrumento más poderoso que tenemos para cambiar el mundo.
最伟大的突破往往来自意想不到的地方。
The only limit to our realization of tomorrow will be our doubts of today.
Paper has been the carrier of human knowledge for centuries. Our duty is to ensure it continues for centuries more.
"The present is a fragile bridge between the past and the future."
The galactic center is a unique natural experiment in strong gravity.