1. Only by obeying nature can we defeat nature. ——Darwin 2. Nature is a kind and loving mother, but also a cold butcher. ——Hugo 3. People often treat their surrounding environment Treat it as a free commodity, waste it arbitrarily without knowing how to cherish it. - Ganhaman 4. The earth gives the essence of material to all people, but in the end, the reward it receives from people is the garbage of these materials. ——Whitman 5. Instead of forcing nature, we must obey nature. ——Escumanes 6. The result of our disobedience to nature is that we destroy the beauty of natural landscapes, the beauty of natural dynamics and the beauty of nature. ——Norman Cousins ??7. If you want to be safe in life, you should have five things: first, clean air; second, clarified drinking water; third, drainage ditches; fourth, house sweeping; and fifth, sufficient sunlight. —— Nightinge Er