实现明天的唯一限制是我们今天的疑虑。

计算机是一种交互式媒介，是第一个允许用户操纵过程表示的媒介。

When you are stuck， explain your problem to others. Often simply laying out a problem will present a solution. Make “explaining the problem” part of your troubleshooting process.

文学是人类集体的记忆。