But the rules of Catholicism are not incomprehensible. They are the well thought out conclusions of thousands of years of study by the brightest and holiest among us guided by the Holy Spirit. Their thinking is available in the documents of the Church.
"...you make your arguments in a public vocabulary, accessible to all. That’s the grammar and vocabulary of the natural moral law: the basis on which Thomas Jefferson argued the case for American national independence, Martin Luther King, Jr., promoted the civil rights of African Americans, and..."