spake. The only time to Aaron alone. See note on Leviticus 5:14.
wine. Hebrew. yayin. See App-27.
strong drink. Hebrew. shekar. App-27. Does this law follow here, because it was intoxication which led to the sin of Nadab and Abihu?
when ye go. Compare Ezekiel 44:21. The exception implies the rule. Nothing may be done to excite or stimulate the flesh in the sanctuary: neither drink within, nor music without, nor sensuous surroundings. The old nature must not be stimulated by moving scenes or mere human eloquence. All "must" be of the Spirit. John 4:24.