Bonaventure

Third, as regards the conclusion of the necessity of penance, it is added: But if you do not do penance, you shall all likewise perish: likewise, not as regards corporal punishment, but as regards spiritual and gehennial punishment. For just as the tower fell upon these, so upon all the reprobate shall fall that cornerstone, of which Matthew 21: "Whoever falls upon this stone shall be broken; but upon whomever it falls, it shall grind him to powder." Now this stone, which grew into a mountain, is rightly called a tower on account of …

Commentary on Luke, Chapter 13 ↗