Karl Keating is founder and president of Catholic Answers, the country’s largest apologetics and evangelization organization. He is the author of five books, including Catholicism and Fundamentalism and What Catholics Really Believe.
Bible Cheat Sheet Organizes over 500 verses showing the biblical basis for more than 50 Catholic doctrines - all in two pages! The amazing Bible Cheat Sheet helps you answer the majority of non-Catholic objections. Fold it in half, put in your Bible and never be unprepared again.
"Deviating from faith, they are implicated in the darkness of perpetual blindness, although they have the day of Christ and the light of the Church before them; while seeing nothing, they open their mouth as if they knew everything, keen for vain things and dull for things eternal."
~ Ambrose, Bishop, Father and Doctor of the Church, Saint; commenting in the 4th century on the "wise of the world" who look askance at Christianity, a conflict that has existed from the very birth of the Faith (see "Science and the Church").