“I went to Communism as one goes to a spring of fresh water, and I left Communism as one clambers out of a poisoned river strewn with the wreckage of flooded cities and the corpses of the drowned.”
Arthur Koestler
Thomas Aquinas is credited as one of the greatest proponents of natural law. During his time in Cologne he was taught by Albertus Magnus. Magnus used the teachings of Aristotle in his mentorship of Thomas Aquinas.