不论你怎么看待历史，历史都会在你身上留下痕迹。

The world is before you, and you need not take it or leave it as it was when you came in.

The wall is the oldest and most revolutionary architectural element.

The computer is the ultimate polluter: its feces are indistinguish- able from the food it produces.

Making something is really hard. You have to care about it so much that you will push through all the disappointments and frustrations.

算法的美在于它们能够用简单的步骤解决复杂的问题。