Reference for Sanhedrin 113:22
אלא אמר רב אחא בריה דרב איקא לא נצרכה אלא לכובש שכר שכיר כותי בכותי וכותי בישראל אסור ישראל בכותי מותר
— Though he later forgives him, he is grieved when it occurs [therefore it is prohibited] — But how can you say that such robbery by one Cuthean from another is but a 'similar act' [i.e., bordering on robbery]: since a Cuthean does not forgive,<span class="x" onmousemove="('comment',' Even such a trifle, v. infra 59a. ');"><sup>43</sup></span> is it not actual theft? — But R. Aha, the son of R. Ika answered; It <font>applies to the withholding of a labourer's wage.<span class="x" onmousemove="('comment',' This only borders on a robbery, for actual robbery means depriving a person of what he already possesses ');"><sup>44</sup></span></font>