数学的力量在于它的普遍性和超越文化界限的能力。
The power of mathematics is in its universality and its ability to transcend cultural boundaries.
善良一点，因为每个人都在与人生苦战。如果想要真正了解他们，只需要，用心去看.
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.