"We are all in the gutter, but some of us are looking at the stars."

The greatest threat to democracy is the erosion of trust in institutions.

想要懂得今天，就必须研究昨天。

Le mariage doit incessamment combattre un monstre qui dévore tout: l'habitude.

计算机科学不仅仅是关于计算机的，就像天文学不仅仅是关于望远镜的。