The most profound ideas in mathematics often arise from the simplest observations.
我们都痴迷于阴谋论,但我们也痴迷于一切背后都有阴谋的想法。
The beauty of algorithms lies not in their complexity, but in their simplicity and elegance.
再说,义就是匡正的意思,不能以下正上,必须是以上正下。