If we had to be completely reasonable, we must believe that just because gravitational forces have existed on the earth for the past 4 billion years and more does not mean that they will continue to exist now. We must always be on guard against floating away from the surface at any time.
If we had to be completely reasonable, we must believe that just because gravitational forces have existed on the earth for the past 4 billion years and more does not mean that they will continue to exist now. We must always be on guard against floating away from the surface at any time.
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