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.

Scientists are always skeptics.

Knowing how people will use something is essential

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.

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.

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 design of everyday things is in great danger of becoming the design of superfluous, overloaded, unnecessary things.