It is relatively easy to design for the perfect cases, when everything goes right, or when all the information required is available in proper format

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.

Sometimes you must stand still in order to get moving to where GOD wants you to go.

I am haunted by the clear knowledge that, in the end, evil always triumphs.

While persistence offers no guarantees, it does give 'luck' a chance to operate.

All I want is that Americans still be able to read the alphabet in a hundred years. I am not very ambitious.

There are many questions in this world that have no answers.

I wasn't born to be a fighter. The causes I have fought for have invariably been causes that should have been gained by a delicate suggestion. Since they never were, I made myself into a fighter.

Don't ask to live in tranquil times. Literature doesn't grow there.

You don't grow the economy by growing government.

Wouldn't that be wonderful if I could do that? And that way, I could walk with the muse, rather than walk without her. The novel would write itself.

A great thing would be done if all these God-visions could embrace and cast themselves into each other; but intellectual dogma and cult egoism stand in the way.