Neil Armstrong, After His First Moon Walk
"It suddenly struck me that the tiny pea, pretty and blue, was the Earth. I put up my thumb and shut one eye, and my thumb blotted out the planet Earth. I didn’t feel like a giant. I felt very, very small." – Neil Armstrong
Neil Armstrong, photographed by Buzz Aldrin after the completion of the first ever lunar EVA.
(Image Credit: Public domain image released by NASA.)