There are places to go beyond belief.

Now and then I miss the excitement about being in the cockpit of an airplane and doing new things.

Well, I think we tried very hard not to be overconfident, because when you get overconfident, that's when something snaps up and bites you.

Houston, that may have seemed like a very long final phase. The autotargeting was taking us right into a ... crater, with a large number of big boulders and rocks ... and it required ... flying manually over the rock field to find a reasonably good area.

I suspect that even though the various questions are difficult and many, they are not as difficult and many as those we faced when we started the Apollo [space program] in 1961.

Start at the end and work back.

Pilots take no special joy in walking: pilots like flying.