“Principles of design:1. Use both knowledge in the world and knowledge in the head.2. Simplify the structure of tasks.3. Make things visible: bridge gulfs between Execution and Evaluation.4. Get the mappings right.5. Exploit the power of constraints.6. Design for error.7. When all else fails, standardize.”

“Design is really an act of communication, which means having a deep understanding of the person with whom the designer is communicating.”

“Any time you see signs or labels added to a device, it is an indication of bad design: a simple lock should not require instructions.”

“Designers know too much about their product to be objective judges: the features they have come to love and prefer may not be understood or preferred by the future customers.”

“adults forget how difficult that task was.”

“Rules for Self Discovery:1. What we want most;2. What we think about most;3. How we use our money;4. What we do with our leisure time;5. The company we enjoy;6. Who and what we admire;7. What we laugh at.”

“Will robot teachers replace human teachers? No, but they can complement them. Moreover, the could be sufficient in situations where there is no alternative––to enable learning while traveling, or while in remote locations, or when one wishes to study a topic for which there is not easy access to teachers. Robot teachers will help make lifelong learning a practicality. They can make it possible to learn no matter where one is in the world, no matter the time of day. Learning should take place when it is needed, when the learner is interested, not according to some arbitrary, fixed schedule”