Ezekiel 44:21
Neither shall any priest drink wine, when they enter into the inner court.
Cross-reference
In Leviticus 10:9, this same command was given to Aaron's sons — the original law that Ezekiel reapplies for the new temple priesthood.
In 1 Timothy 5:23, Paul tells Timothy to use a little wine for health — contrasting the priest's total abstinence during service.
In Isaiah 28:7, priests and prophets stagger from wine — the very failure that Ezekiel's command seeks to prevent.
In Luke 1:15, John the Baptist also abstains from wine as a sign of consecration — a parallel dedication for prophetic service.
In 1 Timothy 3:3, an overseer must not be given to wine — a similar standard of sobriety for church leaders.
In 1 Timothy 3:8, deacons are instructed not to be given to much wine — a similar but milder restriction for church leaders.
In Titus 1:7, an overseer must not be given to wine — echoing the principle of temperance for those in spiritual leadership.