Think of the earth as a living organism that is being attacked by billions of bacteria whose numbers double every forty years. Either the host dies, or the virus dies, or both die.
Gore Vidal
When a system is in turbulence, the turbulence is not just out there in the environment, but is a part of the organization or organism that you are looking at.
Kevin Kelly
You see, every creature alive on the earth today represents an unbroken line of life that stretches back to the first primitive organism to appear on this planet; and that is about three billion years.
George Wald
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