礼义廉耻,国之四维;四维不张,国乃灭亡。
礼、义、廉、耻是维系国家的四项基本准则;如果这四项准则不能推行,国家就会灭亡。
所以,国家的钱财不足以来应付饥荒,救济孤儿寡妇,这样,国家就贫困,百姓就难于治理。 
计算机科学中的挑战不仅仅是解决问题,而是理解为什么它们首先是问题。
The most important thing is to keep the most important thing the most important thing.
The greatest obstacle to progress is not ignorance, but the illusion of knowledge.
I don't want to be a queen, I want to be the voice of those who don't have one.
The past shapes the present, and the present shapes the future.
The greatest threat to democracy is the erosion of trust in institutions.