Donald Norman Quote

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.


Ch. 4, p. 87; regarding doors labeled "Push" and "Pull". - The Design of Everyday Things (1988, 2002)


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.

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.

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.

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.