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。