By Br. Joseph Martin Hagan, O.P., Catholic Exchange - Dominican friars aren’t always known for humility, yet St. Thomas Aquinas has left us quite a rich inheritance on the subject. Thomas fundamentally roots humility in a true knowledge of reality, of one’s strengths and weaknesses. He details humility’s opposition both to pride, the queen of all vices, and indirectly to vainglory, pride’s first lieutenant.