from that science. What, then, is this poverty of spirit through which we come to possess the Kingdom of Heaven? We know from Scripture that there are two kinds of riches, the one to be desired, the other condemned. The riches of virtue are to be pursued, but material wealth is rejected; for the one is gain to the soul, whereas the other is apt to deceive the senses. Therefore the Lord forbids laying up the latter, because it serves only as food for moths and attracts the wiles of burglars.6 But