Aquinas worked out a highly articulated theory of theological reasoning. St. Bonaventure, an immediate precursor to Aquinas, had argued that no one could attain to truth unless he philosophizes in the light of faith. Aquinas held that our faith in eternal salvation shows that we have theological truths that exceed human reason. But he also claimed that one could attain truths about religious claims without faith, though such truths are incomplete.
Aquinas claimed that the act of faith consists essentially in knowledge. Faith is an intellectual act whose object is truth.…
