Technology should serve the farmer, not the other way around.

The key to solving complex problems is often to find the right abstraction that simplifies the problem without losing its essential features.

Always listen to your audience. They will tell you what they want, if you're willing to hear.

一个有纸、笔、橡皮擦并且坚持严格的行为准则的人，实质上就是一台通用图灵机。