Numbers 4:30

That which fell among the thorns, these are those who have heard, and as they go on their way they are choked with cares, riches, and pleasures of life, and bring no fruit to maturity.

“This is what is assigned to the Levites: from twenty-five years old and upward they shall go in to wait on the service in the work of the Tent of Meeting;

for Demas left me, having loved this present world, and went to Thessalonica; Crescens to Galatia; and Titus to Dalmatia.

For if, after they have escaped the defilement of the world through the knowledge of the Lord and Savior Jesus Christ, they are again entangled in it and overcome, the last state has become worse for them than the first.

but thus do to them, that they may live, and not die, when they approach the most holy things: Aaron and his sons shall go in and appoint everyone to his service and to his burden;

But even as we have been approved by God to be entrusted with the Good News, so we speak: not as pleasing men, but God, who tests our hearts.

Therefore let’s also, seeing we are surrounded by so great a cloud of witnesses, lay aside every weight and the sin which so easily entangles us, and let’s run with perseverance the race that is set before us,

from thirty years old and upward even until fifty years old, all who enter into the service to do the work in the Tent of Meeting.

you shall count them from thirty years old and upward until fifty years old: all who enter in to wait on the service, to do the work in the Tent of Meeting.

and from the age of fifty years they shall retire from doing the work, and shall serve no more,

These were the sons of Levi after their fathers’ houses, even the heads of the fathers’ houses of those who were counted individually, in the number of names by their polls, who did the work for the service of Yahweh’s house, from twenty years old and upward.

Now in the thirtieth year, in the fourth month, in the fifth day of the month, as I was among the captives by the river Chebar, the heavens were opened, and I saw visions of God.

He said to them, “Take nothing for your journey—no staffs, nor wallet, nor bread, nor money. Don’t have two coats each.

Therefore also we make it our aim, whether at home or absent, to be well pleasing to him.

These will war against the Lamb, and the Lamb will overcome them, for he is Lord of lords, and King of kings, and those who are with him are called chosen and faithful.”

Joseph was thirty years old when he stood before Pharaoh king of Egypt. Joseph went out from the presence of Pharaoh, and went throughout all the land of Egypt.

Yahweh spoke to Moses and to Aaron, and gave them a command to the children of Israel, and to Pharaoh king of Egypt, to bring the children of Israel out of the land of Egypt.

“This is the service of the sons of Kohath in the Tent of Meeting, regarding the most holy things.

“When Aaron and his sons have finished covering the sanctuary and all the furniture of the sanctuary, as the camp moves forward; after that, the sons of Kohath shall come to carry it; but they shall not touch the sanctuary, lest they die. The sons of Kohath shall carry these things belonging to the Tent of Meeting.

“This is the service of the families of the Gershonites, in serving and in bearing burdens:

from thirty years old and upward even to fifty years old, everyone who entered into the service for work in the Tent of Meeting.

These are those who were counted of the families of the Kohathites, all who served in the Tent of Meeting, whom Moses and Aaron counted according to the commandment of Yahweh by Moses.

from thirty years old and upward even to fifty years old—everyone who entered into the service for work in the Tent of Meeting,

from thirty years old and upward even to fifty years old—everyone who entered into the service for work in the Tent of Meeting,

from thirty years old and upward even to fifty years old, everyone who entered in to do the work of service and the work of bearing burdens in the Tent of Meeting,

Is it a small thing to you that the God of Israel has separated you from the congregation of Israel, to bring you near to himself, to do the service of Yahweh’s tabernacle, and to stand before the congregation to minister to them;

What man is there who has pledged to be married to a wife, and has not taken her? Let him go and return to his house, lest he die in the battle, and another man take her.”

Their brothers the Levites were appointed for all the service of the tabernacle of God’s house.

The Levites were counted from thirty years old and upward; and their number by their polls, man by man, was thirty-eight thousand.

For by the last words of David the sons of Levi were counted, from twenty years old and upward.

also for the divisions of the priests and the Levites, for all the work of the service of Yahweh’s house, and for all the vessels of service in Yahweh’s house;

and those who were listed by genealogy of the priests by their fathers’ houses, and the Levites from twenty years old and upward, in their offices by their divisions;

Now in the second year of their coming to God’s house at Jerusalem, in the second month, Zerubbabel the son of Shealtiel, and Jeshua the son of Jozadak, and the rest of their brothers the priests and the Levites, and all those who had come out of the captivity to Jerusalem, began the work and appointed the Levites, from twenty years old and upward, to have the oversight of the work of Yahweh’s house.

From him will come the cornerstone, from him the nail, from him the battle bow, from him every ruler together.

Therefore I tell you, don’t be anxious for your life: what you will eat, or what you will drink; nor yet for your body, what you will wear. Isn’t life more than food, and the body more than clothing?

“It is like a man, traveling to another country, having left his house, and given authority to his servants, and to each one his work, and also commanded the doorkeeper to keep watch.

Jesus himself, when he began to teach, was about thirty years old, being the son (as was supposed) of Joseph, the son of Heli,

The twelve summoned the multitude of the disciples and said, “It is not appropriate for us to forsake the word of God and serve tables.

But the Lord said to him, “Go your way, for he is my chosen vessel to bear my name before the nations and kings, and the children of Israel.

This man had been instructed in the way of the Lord; and being fervent in spirit, he spoke and taught accurately the things concerning Jesus, although he knew only the baptism of John.

What soldier ever serves at his own expense? Who plants a vineyard, and doesn’t eat of its fruit? Or who feeds a flock, and doesn’t drink from the flock’s milk?

If we have only hoped in Christ in this life, we are of all men most pitiable.

in the word of truth, in the power of God; by the armor of righteousness on the right hand and on the left,

For the flesh lusts against the Spirit, and the Spirit against the flesh; and these are contrary to one another, that you may not do the things that you desire.

Those who belong to Christ have crucified the flesh with its passions and lusts.

that you may walk worthily of the Lord, to please him in all respects, bearing fruit in every good work and increasing in the knowledge of God,

I commit this instruction to you, my child Timothy, according to the prophecies which were given to you before, that by them you may wage the good warfare,

This is a faithful saying: someone who seeks to be an overseer desires a good work.

not a new convert, lest being puffed up he fall into the same condemnation as the devil.

No soldier on duty entangles himself in the affairs of life, that he may please him who enrolled him as a soldier.

I have fought the good fight. I have finished the course. I have kept the faith.

Don’t you know that we will judge angels? How much more, things that pertain to this life?