Maybe every man has had two such women, at least two. Married to a red rose, over time, the red becomes a mosquito blood stain on the wall, while the white remains "moonlight before the bed"; married to a white rose, the white becomes a grain of sticky rice on the clothes, while the red remains a cinnabar mole on the heart.

我不是来讨人喜欢的，我是来让人记住的。

Mathematics is not about numbers, equations, computations, or algorithms: it is about understanding.

在人机共生中，必须由人来调整：机器不能。