3. Therefore, Divine Providence itself requires that, in calling back the people to the paths of faith and salvation, advantage should be taken of human science also-an approved and wise practice which history testifies was observed by the most illustrious Fathers of the Church. They, indeed, were wont neither to belittle nor undervalue the part that reason had to play, as is summed up by the great Augustine when he attributes to this science "that by which the most wholesome faith is begotten . . . is nourished, defended, and made strong."(⁵)