If God doesn't want mankind to explore the universe, all he has to do is knock down the ladder. -Braun
The universe is endless life and abundant power, but it is also a strict order and complete harmony. -Zong Baihua
Space is not the space of astronauts, but the space of everyone. -Danny Stotty
For the peace and progress of all mankind, China people came into space. -yang Liwei
the earth is the cradle of mankind, but mankind will not stay in the cradle forever. -tsiolkovsky.
Looking at the earth from the moon, I can't see any national boundaries. I think the earth is a whole, and my whole mind is broadened. -Colonel Cernan, the last American man to land on the moon
The sky is so high that he feels the infinity of the universe. -Wang Bo
I used to think I was an astronaut. It took me a long time to realize that I was just a lonely dancer between planets. -former Soviet astronaut
There are only two things in the world that deserve our deep admiration, one is the splendid starry sky above us, and the other is the lofty moral law in our hearts. -Kant
People can't even know the fraction of the universe, let alone command and control it. -Montaigne