James Irwin Quotes
God walking on the earth is more important than man walking on the moon.
"More Than Earthlings: An Astronaut's Thoughts for Christ-Centered Living". Book by James Irwin, 1983.
"Astronomically Speaking: A Dictionary of Quotations on Astronomy and Physics" by C.C. Gaither and Alma E Cavazos-Gaither, (p. 262), 2003.