Scientists are always skeptics.

The hardest part of design ... is keeping features out.

Isn't one of your first exercises in learning how to communicate to write a description of how to tie your shoelaces? The point being that it's basically impossible to use text to show that

Technology may change rapidly, but people change slowly. The principals [of design] come from understanding of people. They remain true forever.

When a device as simple as a door has to come with an instruction manual—even a one-word manual—then it is a failure, poorly designed.

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

I believe that robots should only have faces if they truly need them

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

Innocence lost is not easily regained. The designer simply cannot predict the problems people will have, the misinterpretations that will arise, and the errors that will get made.

Knowing how people will use something is essential

Complexity is acceptable as long as it is intelligible and necessary. We want to avoid needless complications.

Every source of blessing is a point of attack.

When you're lucky enough to catch lightning in a bottle, you put the lid on as fast as you can.

I have little shame, no dignity – all in the name of a better cause.

Ordinary people don't know how much books can mean to someone who's cooped up.

Passion is born of vague hopes.

To trust agents, hyperlinks are the twenty-first-century equivalent of the name-dropper.

Of the various forms of government which have prevailed in the world, an hereditary monarchy seems to present the fairest scope for ridicule.

It's easier to think outside the box if you don't draw one around yourself.

The main priority of the Socialist Party is education".

Do Mom and Dad know you’re dating a homicidal lunatic? (Madaug) No, and if you tell them, I’ll superglue your fingertips to your keyboard. (Eric)