4 Laws of St. Thomas Aquinas

Biography of St. Thomas Aquinas

  • Born in 1225 and Died in 1274.
  • He was a Catholic Priest in Dominican order.
  • He was a great Madieval Philosopher and Theologists.
  • He was immensely influenced by Scholasticism and Aristotle.
  • His Famous treatise is Summa Theologica that extensively discusses man which consists of three parts- God, Ethics and Christ.

4 laws of St. Thomas Aquinas
4 laws of St. Thomas Aquinas


St. Thomas Aquinas has 4 kinds of law-

  1. Eternal Law
  2. Natural Law
  3. Human Law
  4. Divine Law

Eternal  Law

  • That law which exists because of God's divine providence.
  • As God created the universe, the universe is governed by his laws.
  • Eternal Law is the basis for all other kinds of laws.
  • This law affects everything including irrational creatures.
  • It is the God's plan for the universe.
  • It is unchanging reason of God.
  • It is the most perfect and complete law which govern the whole community of the universe.
  • This laws include both moral rules and particular rules.
  • Human has only partial knowledge of this law.

Natural Law

  • The rational creatures participation in eternal law.
  • Rational creatures derive their acts and ends from natural law.
  • Basic formulation: Do Good, Avoid Evil.
  • This law is a subset of eternal law and includes only general rules of conduct.
  • These rules are embedded in our human nature, we access them through rational institution.
  • Help you seek your essential human purposes.

Human Law

  • Emulate natural law to promote justice and the will of God.
  • Necessary to help us when our own reason fails.
  • Guide community to serve justice and the common purposes of all its members.
  • These laws must conform the eternal law.
  • Human law means the government law for societies.

Divine Law

  • Applies to religion and church issues.
  • Specific formulations of eternal law.
  • It is a subset law of eternal law.
  • Necessary for the directing human conduct.
  • The purpose behind divine law is help eliminate human error when searching for human values.