#1038: "One at my neck and the other at my groin."

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Chaos is the darkness from time immemorial, the initial form of all matter before forces of order such as gravity, time, and heat gave all chaotic matter form and purpose. Chaos is the very essence of eternity, outlasting all order which, by its very nature, feeds on itself to exist. Chaos needs to no fuel. Chaos is simply existence in its true form, without being bound to the laws of man or god.

Actually, in the beginning the universe was a much smaller chunk of stuff of uniform distribution that, upon being acted upon (or simply becoming active?) expanded into the universe as we know it now. The forces you mentioned are actors in a process of entropy that is degenerating the original, orderly form of the universe into a more chaotic place. So actually, Order is the beginning, Chaos degrades the Order, and once everything there is has become so far removed from all other things in the universe, uniform distribution returns and Order is once again norm. So Order comes first.