I think there is a tendency in science to measure what is measurable and to decide that what you cannot measure must be uninteresting. – Donald Norman
Readers always seem to think that the author has some control over the design of their books. – Donald Norman
Also note that invariably when we design something that can be used by those with disabilities, we often make it better for everyone. – Donald Norman
Isnt one of your first exercises in learning how to communicate to write a description of how to tie your shoelaces? The point being that its basically impossible to use text to show that. – Donald Norman