“The path of progress is seldom smooth. New things are often found hard to do. Our fathers found them so. We find them so. But are we not made better for the effort and scarifice?”
William McKinley
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.