Numbers 3:41

And thou shalt appoint the Levites to me, the LORD, for all the firstborn among the children of Israel, and the cattle of the Levites for the firstborn of the children of Israel."

Numbers 3:12

"Behold, I have taken the Levites, from among the children of Israel, for all the firstborn that openeth the matrix among the children of Israel: so that the Levites shall be mine.

Numbers 3:45

"Take the Levites for all the firstborn of the children of Israel, and the cattle of the Levites for their cattle: and the Levites shall be mine, which am the LORD.

Exodus 24:5-6

and sent young men of the children of Israel to sacrifice burnt offerings and to offer peace offerings of oxen unto the LORD.

Exodus 32:26-29

he went and stood in the gate of the host and said, "If any man pertain unto the LORD, let him come to me." And all the sons of Levi gathered themselves together and came unto him.

Numbers 8:16

for they are given unto me from among the children of Israel: for I have taken them unto me for all the firstborn that open any matrix among the children of Israel.

Numbers 18:15

All that breaketh the matrix of all flesh that men bring unto the LORD, both of man and beast, shall be thine. Neverthelater, the firstborn of man shall be redeemed, and the firstborn of unclean beasts shall be redeemed.

Matthew 20:28

Even as the son of man came, not to be ministered unto, but to minister: and to give his life for the redemption of many."

1 Timothy 2:6

which gave himself a ransom for all men, that it should be testified at his time;

Treasury of Scripture Knowledge

Summary

And thou shalt take the Levites for me (I am the LORD) instead of all the firstborn among the children of Israel; and the cattle of the Levites instead of all the firstlings among the cattle of the children of Israel.

Bible References

General references

Numbers 3:12
"Behold, I have taken the Levites, from among the children of Israel, for all the firstborn that openeth the matrix among the children of Israel: so that the Levites shall be mine.
Numbers 8:16
for they are given unto me from among the children of Israel: for I have taken them unto me for all the firstborn that open any matrix among the children of Israel.
Numbers 18:15
All that breaketh the matrix of all flesh that men bring unto the LORD, both of man and beast, shall be thine. Neverthelater, the firstborn of man shall be redeemed, and the firstborn of unclean beasts shall be redeemed.
Exodus 24:5
and sent young men of the children of Israel to sacrifice burnt offerings and to offer peace offerings of oxen unto the LORD.
Exodus 32:26
he went and stood in the gate of the host and said, "If any man pertain unto the LORD, let him come to me." And all the sons of Levi gathered themselves together and came unto him.
Matthew 20:28
Even as the son of man came, not to be ministered unto, but to minister: and to give his life for the redemption of many."
1 Timothy 2:6
which gave himself a ransom for all men, that it should be testified at his time;