民數記 7:28的引用註釋

'ויאמר ה' אל אהרן: אתה ובניך וגו, however no non-priest must approach (verse 4) if he does deliberately he will be executed as spelled out in verse 6. The nature of the penalty was sufficient to enforce this rule henceforth

עבודת מתנה; this relieved the ordinary Israelites from the duty to perform service, as the “gift” to do so had not been granted to them. Added to the threat of death if an Israelite would nonetheless venture to perform such service, none of them would dare do so in the future.