Does the Psalmist’s Oath Contradict This?

As far as this consideration goes, which has been treated clearly and fully, a monk ought never to decide anything, for fear he turns out to be either a breaker of his word or stubborn. What, then, can we make of this saying of the psalmist: “I have sworn and resolved to keep your righteous judgments”? What is “to swear and resolve” except to hold fixedly to one’s decisions? [a]