Keeping things stable takes energy. I guess it's a little counter-intuitive, since you think of Newton's first law: a body at rest will stay at rest. But the reality is different. Think about an old water tank you find in the woods. It's sitting there, doing nothing, and yet it's slowly falling apart. Eventually the rust eats away at it beyond a certain threshold, and it collapses under its own weight.
Joshua Edward Smith, Entropy
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