Definition of "physical law" []

• A universal statement about both nature and society, based on empirical observations of physical behavior, tested using scientific method. (noun)

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• "With Linnæus began the perception of the great importance in physical law of the capacity of persistence in organisms, which makes it possible for the naturalist to organize the whole of the great kingdom of living beings into genera and species."
• "His omnipresence and action, far from eliminating secondary causes, preserve each in the natural order of its efficiency-physical agents under the determination of physical law and human personality in the excercise of intelligence and freedom. the foundation of the moral order."