"No rational argument will have a rational effect on a man who does not want to adopt a rational attitude."

"We may become the makers of our fate when we have ceased to pose as its prophets."

"Science may be described as the art of systematic over-simplification."

"Science must begin with myths, and with the criticism of myths."

"The days when a car aficionado could repair his or her own car are long past, due primarily to the high software content."

"A company can spend hundreds of thousands of dollars on firewalls, intrusion detection systems and encryption and other security technologies, but if an attacker can call one trusted person within the company, and that person complies, and if the attacker gets in, then all that money spent on technology is essentially wasted."

"A tool is usually more simple than a machine; it is generally used with the hand, whilst a machine is frequently moved by animal or steam power."

"All of the biggest technological inventions created by man - the airplane, the automobile, the computer - says little about his intelligence, but speaks volumes about his laziness."