Gregory the Dialogist

If my step hath turned out of the way. So many times does 'the step go out of the way,' as our thought quits the way of the right, by the consenting of wandering. Now we as it were set as many 'steps out of the way,' as we are parted by bad desires from the delightfulness of the heavenly life. For as we have before stated, being still borne down by the load of corruptible flesh, we are not able to live in such a manner as that not any enjoyment of sin should be able to strike us. …

Morals on the Book of Job, Book XXI ↗

Thomas Aquinas

Since he has excluded deceit from himself in general, he descends to certain special sins in which one deceitfully plots against the goods of another. This happens both in theft and in adultery. For in theft one plots by deceit against the possessions of his neighbor, and he excludes this from himself saying, "If my step has turned aside from the way," by disdaining justice, which has as its effect that man looks with a covetous eye at the goods of his neighbor to steal them. …

Commentary on Job ↗