Unity is strength. -------Proverb
Civilization is to create cultivated people. -------Ruskin
Wealth does not bring civilization, but civilization brings wealth. ------Beecher
Goodwill brings happiness, and civilization brings harmony. ------Hugo
Civilization is not built by machines but by ideas. ------Tolstoy
People can only live according to the experience revealed by nature. -----Schopenhauer
If you want to be safe in life, you should have five things. The first is to clean the air, the second is to clarify the drinking water, the third is to circulate the ditches, the fourth is to sweep the house, and the fifth is to have enough sunlight. ----Nightingale
Without a clean environment, no matter how affluent living conditions are, it is meaningless. ---Qu Geping
Nature is a kind mother and a cold butcher.
-----Hugo