Matthew 25:40

And the king answering shall say to them, Verily I tell you, for as much as ye have done it to one of these my brethren, the very least of them, ye have done it unto me.

Acts 20:35

In all things I have set you the example, that so labouring hard ye ought to help the infirm, and to remember the words of the Lord Jesus, because he himself said, "It is more blessed to give than to receive."

Romans 12:8

or he that exhorteth, in exhortation; he that distributes, let him do it with simplicity; he that presideth, with diligence; he that is employed in acts of mercy, with cheerfulness.

2 Corinthians 9:5-11

have thought it necessary therefore to exhort the brethren, that they would go before unto you, and prepare before your promised bounty, that it may be ready as a matter of bounty, and not as [extorted] of covetousness.

Philippians 4:18-19

But I have now all things, and abound: I am full, having received from Epaphroditus your bounty, an odour of sweet smell, an acceptable sacrifice, well pleasing to God.

1 Timothy 6:18-19

to do good, to be rich in generous actions, to take pleasure in liberality, ready to distribute;

Hebrews 13:16

But of beneficence, and liberal distribution, be not unmindful: for such sacrifices God accepts with delight.

1 Peter 4:11

If any man speak, let it be agreeably to the oracles of God; if any man act as a deacon, let it be from the strength which God supplieth: that in all things God may be glorified through Jesus Christ; to whom be glory and might for ever 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
And the king answering shall say to them, Verily I tell you, for as much as ye have done it to one of these my brethren, the very least of them, ye have done it unto me.
Acts 20:35
In all things I have set you the example, that so labouring hard ye ought to help the infirm, and to remember the words of the Lord Jesus, because he himself said, "It is more blessed to give than to receive."
Romans 12:8
or he that exhorteth, in exhortation; he that distributes, let him do it with simplicity; he that presideth, with diligence; he that is employed in acts of mercy, with cheerfulness.
2 Corinthians 9:5
have thought it necessary therefore to exhort the brethren, that they would go before unto you, and prepare before your promised bounty, that it may be ready as a matter of bounty, and not as [extorted] of covetousness.
1 Timothy 6:18
to do good, to be rich in generous actions, to take pleasure in liberality, ready to distribute;
1 Peter 4:11
If any man speak, let it be agreeably to the oracles of God; if any man act as a deacon, let it be from the strength which God supplieth: that in all things God may be glorified through Jesus Christ; to whom be glory and might for ever and ever. Amen.

Because

2 Corinthians 9:8
And God is able to make all grace abound towards you; that in every case having always all sufficiency, ye may abound unto every good work:
Philippians 4:18
But I have now all things, and abound: I am full, having received from Epaphroditus your bounty, an odour of sweet smell, an acceptable sacrifice, well pleasing to God.
Hebrews 13:16
But of beneficence, and liberal distribution, be not unmindful: for such sacrifices God accepts with delight.

General references

Luke 6:34
And if ye lend to those, from whom ye hope to receive back again, what thanks are due to you? for sinners lend to sinners, that they may receive an equivalent.