"Whenever anyone says, 'theoretically,' they really mean, 'not really.'"
"Only two things are infinite, the universe and human stupidity, and I'm not sure about the former."Dave Parnas on Albert Einstein
"Our scientific power has outrun our spiritual power. We have guided missiles and misguided men."Dave Parnas on Martin Luther King, Jr.
"Science investigates religion interprets. Science gives man knowledge which is power religion gives man wisdom which is control."Dave Parnas on Martin Luther King, Jr.
"No amount of experimentation can ever prove me right a single experiment can prove me wrong."Dave Parnas on Albert Einstein
"Bad times have a scientific value. These are occasions a good learner would not miss."Dave Parnas on Ralph Waldo Emerson
"As a rule, software systems do not work well until they have been used, and have failed repeatedly, in real applications."