xkcd
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XKCD中文站,一个关于浪漫、隐喻、数字、以及语言的线上漫画。
Chess Position
It's important to learn the moves that take you into the vortex, but it's best not to study vortex itself too closely. Even grandmasters who have built up a tolerance lose the ability to play for a few hours after studying it.
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