שמואל א כב:יז פירוש: רש״י

To the runners who stood near him. Referring to Avneir and Amoso.

Did not want. They expounded [Scripture's] "but's and only's." Scripture states: "Every man who rebels against your command [shall be put to death]."⁸Yehoshua 1:18. One may think that this means even [if "your command" was] to commit a sin; Scripture, therefore states: "Only" [to exclude this condition].