according to Thomas Aquinas (1225-1274)

Natural Law is not a set of detailed prescriptions. Natural Law is the whole process by which a human being uses his intelligence [conscience] to act in a morally correct manner.This diagram is explained very well in the essay by Dr Columba Ryan OP:
“The Traditional Concept of Natural Law: An Interpretation.”
Read also chosen selections from Thomas Aquinas’ own writings (on our sister site).
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