Every Jan. 28, the Church celebrates St. Thomas Aquinas — doctor of the Church, patron saint of students, distinguished philosopher and theologian, and author of the monumental “Summa Theologica.” St.

Taken as a whole, the Summa Theologica overwhelms most readers. So take one bite at a time. Many theologians and philosophers in St. Thomas’s time wrote Summas. A Summa is simply a summary. It is more ...

Between the ancient world and modernity stands St. Thomas Aquinas (1225-1274), a Dominican priest. He was the greatest thinker of the thirteenth century in Europe and known as “Doctor Angelicus” in ...

Thomas Aquinas, a medieval theologian, created one of the greatest intellectual achievements of Western civilization in his Summa Theologica. It's a massive work: thirty-eight treatises, three ...