Nothing is more precious than independence and liberty.

江河不嫌弃用小溪的水来灌注自己，所以能汇成巨流。被称为圣人的人，不推辞难事，不违背自然规律，所以能成为名扬天下的大人物。

The only way to find out anything about what kinds of books people would like to read is to publish books and see what happens.

A physical symbol system has the necessary and sufficient means for general intelligent action.

高效算法的开发既是一门艺术，也是一门科学。

除非我们愿意为之而死，否则我们不能确定有值得为之而活的东西。