During the divorce process, I lived alone and tended to get extremely down on myself.

America's can-do spirit cast a warm glow across nations and cultures, generating more goodwill and support for our country's ideals and causes than had otherwise been possible.

It's real easy to manufacture what you think the people want to hear. But that's not very honest.

This has been far more than three men on a mission to the Moon; more still than the efforts of a government and industry team; more, even, than the efforts of one nation. We feel this stands as a symbol of the insatiable curiosity of all mankind to explore the unknown.

America can take man to the moon, and America can take men to Mars - and beyond.

Absolutely the United States should lead in space, for the survival of the United States. It's inspiring for the next generation. If we lose leadership, then we'll be using Chinese capability to inspire Americans.

Everyone who's been in space would, I'm sure, welcome the opportunity for a return to the exhilarating experiences there.