Quotes by User Interface I have discovered that there are two types of command interfaces in the world of computing: good interfaces and user interfaces. Daniel J. Bernstein user-interface two world A user interface is well-designed when the program behaves exactly how the user thought it would. Joel Spolsky user-interface program wells User interface is customer service for the computer. Julie Larson-Green user-interface interfaces computer Computer science departments have always considered 'user interface' research to be sissy work. Nicholas Negroponte user-interface computer research