St. Thomas Aquinas

“An angel can illume the thought and mind of man by strengthening the power of vision, and by bringing within his reach some truth which the angel himself contemplates.”

“Friendship is the source of the greatest pleasures, and without friends even the most agreeable pursuits become tedious.”

“Love takes up where knowledge leaves off.”

“Miracles are signs not to them that believe, but to them that do not believe.”

“A person is disposed to an act of choice by an angel ... in two ways: Sometimes, a man’s understanding is enlightened by an angel to know what is good, but it is not instructed as to the reason why ... But sometimes he is instructed by angelic illumination, both that this act is good and as to the reason why it is good.”

“The spark of reason cannot be extinguished so long as the light of mind remains.”