"The human essence of nature and the natural essence of man become one within nature in the form of production or industry, just as they do within the life of man as a species. … Not man as the king of creation, but rather as the being who is in intimate contact with the profound life of all forms or all types of beings, who is responsible for even the stars and animal life, and who ceaselessly plugs an organ-machine into an energy-machine, a tree into his body, a breast into his mouth, the sun into his asshole: the eternal custodian of the machines of the universe."

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