“When air is hot, the molecules move fast and they have high kinetic en...” — Wolfgang Ketterle Quote

“When air is hot, the molecules move fast and they have high kinetic energy. The colder the molecules are, the smaller their velocities are and, subsequently, their energy. Temperature is simply a way to characterize the energy of a system.”

“Amplifying atoms is more subtle than amplifying electromagnetic waves because atoms can only change their quantum state and cannot be created. Therefore, even if one could amplify gold atoms, one would not realize the dreams of medieval alchemy.”

“To go below one nanokelvin is like running a mile below four minutes for the first time.”

“I think both running and science reflect certain character traits. I have endurance, patience, and ambition. I'm willing to work hard toward a goal, to push myself and overcome limits. Running and science both let me express these traits.”

“Zero kelvin is the lowest possible temperature. At absolute zero, all motion comes to a standstill. It is obvious that a lower temperature is not feasible because there is no velocity smaller than zero and no energy content less than nothing.”

“All violent feelings have the same effect. They produce in us a falseness in all our impressions of external things, which I would generally characterize as the pathetic fallacy.”

“If I would characterize my life, I would say that I was a very lucky actor who came into very lucky times, and got to Hollywood, and was put under contract by Warners in the very last days of the studio contract era, and was privileged to go through that time which is gone now.”

“There is a diversity of thought and philosophy, diversity of languages and dialects, diversity of political spectrum, and there's a diversity of taste for food. I don't label or characterize Jews in any way.”

“It's the oldest trick in Washington - when presented with a policy solution you don't like, characterize it as the bogeyman.”

“We will not let terrorists change our way of life; we will not live in fear; and we will not undermine the civil liberties that characterize our Democracy.”