3 quotes about supersonic follow in order of popularity. Be sure to bookmark and share your favorites!

So (any) new supersonic airliner will have to satisfy those requirements ... on the technical issues, if money is no problem, we are still just within grasp of meeting criteria on noise and emissions.

Paul Jackson

Thousands of man hours [were spent] in developing new techniques so that foam in part and other components of the flight vehicle do not come loose during supersonic flight in the atmosphere as the orbiter climbs to orbit.

Wayne Hale

Later, I realized that the mission had to end in a let-down because the real barrier wasn't in the sky but in our knowledge and experience of supersonic flight.

Chuck Yeager