Nature is a kind mother and a cruel butcher. -Hugo

People often treat the environment around them as a free commodity and spoil it at will without knowing how to cherish it. -ganhaman

the earth gives all people the essence of material, but in the end, what it gets back from people is the garbage of these materials. -Whitman

not only can't force nature, but also obey it. -Escuman

As a result of our violation of nature, we have destroyed the beauty of natural landscape, the beauty of natural dynamics and the beauty of nature. -norman cousins

If you want to be safe in life, you should have five essentials: first, clean the air; Second, we must clarify drinking water; Third, it is necessary to circulate ditches; Fourth, we must sweep the house; Fifth, there should be enough sunlight. -nightingale

My philosophy of life is work, and I want to reveal the secrets of nature and benefit mankind. -Edison

Only by obeying nature can we master nature. -bacon

it's not that I don't love human beings, but that I love nature more. -Byron

Nature never deceives us, and it is always ourselves who deceives us. -Rousseau