1. That's one small step for man, one giant leap for mankind.--Armstrong That's one small step for man, one giant leap for mankind.-- -- Armstrong

2. The earth is the cradle of mankind, but mankind will not stay in the cradle forever. ——Tsiolkovski The earth is the cradle of humanity, but humans do not always stay in the cradle.---Tsiolkovski

3. If there are no numbers about the eternity of the universe, If there are counterfeit products, human beings will no longer be able to survive.

” ---- Nietzsche If there is no eternal counterfeits produced by numbers, the human will not be able to survive. -- Nietzsche