You're right, these images do just continue to amaze. It's astounding what was achieved in such a short period of time. The technological advancement was incredible and the people who strapped themselves to those rockets, so brave.
We really need to get human feet on another world, just so we can show the 20th century we still have what it takes. The robots we've thrown on to planets all over are impressive, but we all know that until a human steps on Mars it feels like we're just playing around.
Oh, and nice job on quoting Neil Amstrong in full, most people forget that "a" part of the speech, making it seem a bit contradictory.