George W. Bush: “Their determination and innovation continue to inspire us as we embark on the second century of flight.”

You've showed the great strength of America through your work—and that is your good heart.

seldom has history offered a greater opportunity to do so much for so many.

History will remember him as among the finest public servants of his generation – a patriot who brought integrity, high intelligence, and seriousness of purpose to every position.

Violence and vitriol must be purged from the public square. Members of other political parties are not our enemies; they are our fellow citizens.