A computer shall not waste your time or require you to do more work than is strictly necessary.
Jef RaskinAn interface is humane if it is responsive to human needs and considerate of human frailties.
Jef RaskinOnce the product's task is known, design the interface first; then implement to the interface design.
Jef RaskinImagine if every Thursday your shoes exploded if you tied them the usual way. This happens to us all the time with computers, and nobody thinks of complaining.
Jef Raskin