Thomas Aquinas

St Thomas Aquinas (c 1225 – 1274) was a Dominican friar and legal theologian whose Summa Theologica, a summary of the Christian doctrine,  places man-made (or positive law) within a larger framework of the natural law and within the overall […]

Marcus Tullius Cicero

Marcus Tullius Cicero (c 106 BC –  43 BC) was a Roman philosopher, politician, lawyer, orator, political theorist, consul, and constitutionalist. Cicero developed on Zeno’s school of Stoicism: Nature was synonymous with reason, reason was synonymous with god. Cicero said [natural law is] the highest […]


Aristotle (c 384–322 BC) was a Greek philosopher and scientist. According to Aristotle, humans are political animals. Aristotle believed that the family is an association established by nature for the supply of people’s daily needs; when people want more they unite into […]


Plato (c 427-347 BC) was an Athenian philosopher. Plato considered that nature is ruled by fixed and immutable rules and that these laws are rational and ‘good’ because they were created by divine powers, a divine body whose primary concern […]