The development of civilization and industry in general has always shown itself so active in the destruction of forests that everything that has been done for their conservation and production is completely insignificant in comparison. – Karl Marx
Greek philosophy seems to have met with something with which a good tragedy is not supposed to meet, namely, a dull ending. – Karl Marx
Capital is reckless of the health or length of life of the laborer, unless under compulsion from society. – Karl Marx
Religion is the sigh of the oppressed creature, the heart of a heartless world, and the soul of soulless conditions. It is the opium of the people. – Karl Marx
When God created the first human beings, God led them around the garden of Eden and said: Look at my works! See how beautiful they are — how excellent! For your sake I created them all. See to it you do not spoil and destroy My world; for if you do, there will be no one else to repair it. – R. Kohelet