Prepare for the unknown, unexpected and inconceivable . . . after 50 years of flying I'm still learning every time I fly. Gene Cernan More Quotes by Gene Cernan More Quotes From Gene Cernan Mom was always doing something for somebody. She came from a Czech background, one that made her a devout Catholic and gave her a strong belief in the family. Gene Cernan catholic mom strong Chemical propulsion is obsolete to go anywhere other than the moon. Three days - that's acceptable. But for Mars, we need propulsion technologies to get us there in, say, 60 days - then spend whatever length of time we want to spend and return when we want to come home. Gene Cernan technology moon home NASA has been scattered to the four winds. Gene Cernan winds nasa been four We found out the Gemini spacesuit was, well, oxygen was flowing to keep me cool as well as to breathe, and it wasn't good enough. My visor got fogged. Gene Cernan good cool me enough