AS for all those mistakes I make - they are on purpose - to teach you how to deal with them

It is not enough that we build products that function, that are understandable and usable, we also need to build products that bring joy and excitement, pleasure and fun, and, yes, beauty to people's lives.

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

The current paradigm is so thoroughly established that the only way to change is to start over again.

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.

Attractive things work better.

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