Heidelberg Catechism. The Heidelberg Catechism, released in 1563, is one of the primary Reformed summaries of the faith that emerged from the Protestant Reformation. The Interchurch Center is a unique venue which houses offices of various Christian churches, world religions, ecumenical and interreligious institutes, as well as missionary, charitable, social service and educational organizations. The text of Scott’s most recent message: Living Love, Not Life to Its Fullest a sermon…