King was a minister criticized by clergymen, so he tried to justify his cause by paraphrasing the words of Thomas Aquinas, a notable interpreter of God's order on earth. He uses this allusion because he wants to underline the crucial difference between just and unjust law, that has been confirmed by one of the highest intellectual authorities in the fields of philosophy and religion. King provides a religious justification for the concept of nonviolent resistance.
Answer:
Despite his military background and being the only general to be elected president in the 20th century, he warned the nation with regard to the corrupting influence of what he describes as the "military-industrial complex".
