"Honey, why don't you pass the car in front -- he's going too slow! Look out -- do you see the car coming out of that side street! Oh, oh, better slow down: the light's turning red up ahead!"
"One place where you find lots of backseat drivers is in politics. These are people who can't get elected themselves but keep bothering elected public officials with unneeded advice."
"On the second day of the flight, the space shuttle's main air-conditioning system broke down. But the astronauts switched on the back-up system and were able to continue the mission for another three days and land safely at Edwards Air Force Base."
"This airline pilot talked about getting ready to land that famous day when all the lights in New York went out. He said he was lucky the airport had a back-up system of its own generators -- otherwise he would have to try to land in total darkness."