Another hundred years may pass before we understand the true significance of Apollo. Lunar exploration was not the equivalent of an American pyramid, some idle monument to technology, but more of a Rosetta stone, a key to unlocking dreams as yet undreamed.

If you begin to think you're something you're not, you're looking in the wrong mirror.

Once I finally stepped on the moon, no matter what was to come of the next three days - or the rest of my life - nobody could take those steps from me. People ask how long will they be there, and I say forever, however long forever is, like my daughter’s initials that I scribbled in the sand [TDC for Tracy Dawn Cernan].

I'm quite disappointed that I'm still the last man on the moon.

OK, let's get this mother out of here.

I've been asked about UFOs and I've said publicly I thought they were somebody else, some other civilization.

Some of the most exciting space education in the country is not coming out of Washington or New York or California or even Texas. It's coming from a place in Kansas called the Cosmosphere.