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

When you have trouble with things—whether it's figuring out whether to push or pull a door or the arbitrary vagaries of the modern computer and electronics industries—it's not your fault. Don't blame yourself: blame the designer.

The problem with emotion was that it was clearly something important, but-at least according to the old philosophy-it was something to overcome.

If people keep buying poorly designed products, manufacturers and designers will think they are doing the right thing and continue as usual.

Also note that invariably when we design something that can be used by those with disabilities, we often make it better for everyone

In design it is important to shoe the effect of an action. ... Feedback is critical.

I prefer design by experts - by people who know what they are doing