No man's knowledge here can go beyond his experience.

出自《魏源集·都中吟十三首》。洋人的情况、技术和版图，我都了解得像万里大的手掌中玩米和沙子一样。知己知彼是兵家的策略，一定要知道谁主掌着典属国的职位。

In computer science, we often have to deal with systems that are too complex to understand all at once.

我尽量使我的画尽可能清晰和简单，以便读者能够毫不困惑地理解故事。