Numbers 31:47
And Moses took of this half that pertained unto the children of Israel: one of every fifty, both of the women and of the cattle, and gave them unto the Levites which waited upon the habitation of the LORD, as the LORD commanded Moses.
Numbers 31:30
And of the half of the children of Israel, take one of fifty of the women, of the oxen, of the asses and of the sheep, and of all manner of beasts, and give them unto the Levites which wait upon the habitation of the LORD."
Numbers 18:21-24
And behold, I have given the children of Levi the tenth in Israel to inherit, for the service which they serve in the tabernacle of witness,
Deuteronomy 12:17-19
Thou mayest not eat within thy gates the tithe of thy corn, of thy wine and of thy oil, either the firstborn of thine oxen or of thy sheep, neither any of thy vows which thou vowest, nor thy freewill offerings or heave offerings of thine hands:
Psalm 134:1
{A song of the stairs} Behold now, praise the LORD, all ye servants of the LORD, ye that by night stand in the house of the LORD.
Isaiah 56:10-11
For his watchmen are all blind, they have altogether no understanding. They are all dumb dogs, no being able to bark; they are sleepery, sluggish, and lie snorting.
Luke 10:1-8
After these things, the Lord appointed other seventy also, and sent them, two and two, before him into every city, and place, whither he himself would come.
1 Thessalonians 5:12-13
We beseech you brethren, that ye know them which labour among you, and have the oversight of you in the Lord,