The existence of a prime mover- nothing can move itself; there must be a first mover. The first mover is called God.
Thomas AquinasThe servants of God...whether provoked by word or work, by keeping themselves tranquil and peaceful, evince a perfect nobleness of soul.
Thomas AquinasThe same fire" (which he decides to be material) " torments the damned in hell and the just in purgatory...The least pain in purgatory exceeds the greatest in this life.
Thomas AquinasDistinctions drawn by the mind are not necessarily equivalent to distinctions in reality.
Thomas Aquinas