Numbers 31:47
... of the children of Israel's half, Moses took one portion of fifty, of man and of cattle, and gave them to the Levites who kept the charge of the tabernacle of Jehovah; as Jehovah had commanded Moses.
Numbers 31:30
And of the children of Israel's half, thou shalt take one portion of fifty, of the persons, of the oxen, of the asses, and of the small cattle, of every kind of beasts, and thou shalt give them unto the Levites, who keep the charge of the tabernacle of Jehovah.
Numbers 18:21-24
And to the children of Levi, behold, I have given all the tithes in Israel for an inheritance, for their service which they perform, the service of the tent of meeting.
Deuteronomy 12:17-19
Thou mayest not eat within thy gates the tithe of thy corn, or of thy new wine, or of thine oil, or the firstlings of thy kine or of thy sheep, nor any of thy vows which thou vowest, nor thy voluntary-offerings, nor the heave-offering of thy hand;
Psalm 134:1
{A Song of degrees.} Behold, bless Jehovah, all ye servants of Jehovah, who by night stand in the house of Jehovah.
Isaiah 56:10-11
His watchmen are all of them blind, they are without knowledge; they are all dumb dogs that cannot bark, dreaming, lying down, loving to slumber:
Luke 10:1-8
Now after these things the Lord appointed seventy others also, and sent them two and two before his face into every city and place where he himself was about to come.
1 Thessalonians 5:12-13
But we beg you, brethren, to know those who labour among you, and take the lead among you in the Lord, and admonish you,