“…and he blessed Abram, saying, Blessed be Abram by God Most High, Creator of heaven and earth. And praise be to God Most High, who delivered your enemies into your hand.” Then Abram gave him a tenth of everything.
Genesis 14:19-20

In the course of time Cain brought some of the fruits of the soil as an offering to the Lord. And Abel also brought an offer – fat portions from some of the firstborn of his flock.
Genesis 4:3-4

A tithe of everything from the land, whether grain from the soil or fruit from the trees, belongs to the Lord; it is holy to the Lord.
Leviticus 27:30

As soon as the order went out, the Israelites generously gave the first fruits of their grain, new wine, olive oil and honey and all that the fields produced. They brought a great amount, a tithe of everything.
2 Chronicles 31:5

Woe to you, teachers of the law and Pharisees, you hypocrites! You give a tenth of your spices—mint, dill and cumin. But you have neglected the more important matters of the law—justice, mercy and faithfulness. You should have practiced the latter, without neglecting the former.
Matthew 23:23

And now, brothers and sisters, we want you to know about the grace that God has given the Macedonian churches. In the midst of a very severe trial, their overflowing joy and their extreme poverty welled up in rich generosity. For I testify that they gave as much as they were able, and even beyond their ability.
2 Corinthians 8:1-3

The earth is the Lord’s, and everything in it, the world, and all who live in it; for he founded it on the seas and established it on the waters.
Psalm 24:1-2

Each of you should give what you have decided in your heart to give, not reluctantly or under compulsion, for God loves a cheerful giver.
2 Corinthians 9:7

“Bring the whole tithe into the storehouse, that there may be food in my house. Test me in this,” says the Lord Almighty, “and see if I will not throw open the floodgates of heaven and pour out so much blessing that there will not be room enough to store it.”
Malachi 3:10