Perpetual: 1. Continuing forever, 2. Occurring continually. Indefinitely long-continued. I found this argument on a political forum about energy and oil.
Don’t atoms, the solar system, and the galaxy itself perpetually move?
Yes. They move, but not perpetually. Anything that has a definite end is not perpetual. The motion of an electron, a planet or a star will end eventually. They are not perpetual. (more…)