Nothing can be created from nothing since nothing means energy is conserved.
Because entropy always rises, you can never return to the same energy level.
Entropy is a measure of a system's thermal energy per unit temperature that is not available for meaningful work. Because work is obtained from organized molecular motion, the amount of entropy is also a measure of a system's molecular disorder, or unpredictability.
It aids in determining an object's thermodynamic condition. A little thought will reveal that when a spontaneous process occurs, it moves from a less probable to a more probable condition. It expresses the condition of a body in the same way as temperature, pressure, volume, internal energy, and magnetic behavior do.
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