Deuteronomy 15:10

You shall surely give him, and your heart shall not be grieved when you give to him; because that for this thing Yahweh your God will bless you in all your work, and in all that you put your hand to.

Deuteronomy 14:29

and the Levite, because he has no portion nor inheritance with you, and the foreigner living among you, and the fatherless, and the widow, who are within your gates, shall come, and shall eat and be satisfied; that Yahweh your God may bless you in all the work of your hand which you do.

Deuteronomy 24:19

When you reap your harvest in your field, and have forgot a sheaf in the field, you shall not go again to get it: it shall be for the foreigner, for the fatherless, and for the widow; that Yahweh your God may bless you in all the work of your hands.

Proverbs 22:9

He who has a generous eye will be blessed; for he shares his food with the poor.

Deuteronomy 14:19

All winged creeping things are unclean to you: they shall not be eaten.

Deuteronomy 15:4

However there shall be no poor with you; (for Yahweh will surely bless you in the land which Yahweh your God gives you for an inheritance to possess it;)

Psalm 41:1-2

Blessed is he who considers the poor. Yahweh will deliver him in the day of evil.

Proverbs 11:24-25

There is one who scatters, and increases yet more. There is one who withholds more than is appropriate, but gains poverty.

Isaiah 32:8

But the noble devises noble things; and he will continue in noble things.

Isaiah 58:10

and if you draw out your soul to the hungry, and satisfy the afflicted soul: then your light shall rise in darkness, and your obscurity be as the noonday;

Matthew 25:40

"The King will answer them, 'Most certainly I tell you, inasmuch as you did it to one of the least of these my brothers, you did it to me.'

Acts 20:35

In all things I gave you an example, that so laboring you ought to help the weak, and to remember the words of the Lord Jesus, that he himself said, 'It is more blessed to give than to receive.'"

Romans 12:8

or he who exhorts, to his exhorting: he who gives, let him do it with liberality; he who rules, with diligence; he who shows mercy, with cheerfulness.

2 Corinthians 9:5-11

I thought it necessary therefore to entreat the brothers that they would go before to you, and arrange ahead of time the generous gift that you promised before, that the same might be ready as a matter of generosity, and not of greediness.

Philippians 4:18-19

But I have all things, and abound. I am filled, having received from Epaphroditus the things that came from you, a sweet-smelling fragrance, an acceptable and well-pleasing sacrifice to God.

1 Timothy 6:18-19

that they do good, that they be rich in good works, that they be ready to distribute, willing to communicate;

Hebrews 13:16

But don't forget to be doing good and sharing, for with such sacrifices God is well pleased.

1 Peter 4:11

If anyone speaks, let it be as it were the very words of God. If anyone serves, let it be as of the strength which God supplies, that in all things God may be glorified through Jesus Christ, to whom belong the glory and the dominion forever and ever. Amen.

Treasury of Scripture Knowledge

Summary

Thou shalt surely give him, and thine heart shall not be grieved when thou givest unto him: because that for this thing the LORD thy God shall bless thee in all thy works, and in all that thou puttest thine hand unto.

General references

Bible References

Thine heart

Matthew 25:40
"The King will answer them, 'Most certainly I tell you, inasmuch as you did it to one of the least of these my brothers, you did it to me.'
Acts 20:35
In all things I gave you an example, that so laboring you ought to help the weak, and to remember the words of the Lord Jesus, that he himself said, 'It is more blessed to give than to receive.'"
Romans 12:8
or he who exhorts, to his exhorting: he who gives, let him do it with liberality; he who rules, with diligence; he who shows mercy, with cheerfulness.
2 Corinthians 9:5
I thought it necessary therefore to entreat the brothers that they would go before to you, and arrange ahead of time the generous gift that you promised before, that the same might be ready as a matter of generosity, and not of greediness.
1 Timothy 6:18
that they do good, that they be rich in good works, that they be ready to distribute, willing to communicate;
1 Peter 4:11
If anyone speaks, let it be as it were the very words of God. If anyone serves, let it be as of the strength which God supplies, that in all things God may be glorified through Jesus Christ, to whom belong the glory and the dominion forever and ever. Amen.

Because

Deuteronomy 15:4
However there shall be no poor with you; (for Yahweh will surely bless you in the land which Yahweh your God gives you for an inheritance to possess it;)
Deuteronomy 14:19
All winged creeping things are unclean to you: they shall not be eaten.
Deuteronomy 24:19
When you reap your harvest in your field, and have forgot a sheaf in the field, you shall not go again to get it: it shall be for the foreigner, for the fatherless, and for the widow; that Yahweh your God may bless you in all the work of your hands.
Psalm 41:1
Blessed is he who considers the poor. Yahweh will deliver him in the day of evil.
Proverbs 11:24
There is one who scatters, and increases yet more. There is one who withholds more than is appropriate, but gains poverty.
Proverbs 22:9
He who has a generous eye will be blessed; for he shares his food with the poor.
Isaiah 32:8
But the noble devises noble things; and he will continue in noble things.
Isaiah 58:10
and if you draw out your soul to the hungry, and satisfy the afflicted soul: then your light shall rise in darkness, and your obscurity be as the noonday;
2 Corinthians 9:8
And God is able to make all grace abound to you, that you, always having all sufficiency in everything, may abound to every good work.
Philippians 4:18
But I have all things, and abound. I am filled, having received from Epaphroditus the things that came from you, a sweet-smelling fragrance, an acceptable and well-pleasing sacrifice to God.
Hebrews 13:16
But don't forget to be doing good and sharing, for with such sacrifices God is well pleased.

General references

Luke 6:34
If you lend to those from whom you hope to receive, what credit is that to you? Even sinners lend to sinners, to receive back as much.