Matthew 10:42

Truly I tell you, whoever gives a mere drink of cold water to one of these least significant [disciples of mine] because he is a disciple, will certainly not lose his [temporal or eternal] reward."

Hebrews 6:10

For God is not [so] unjust as to forget the work you are doing and the love you have shown for Him, as you ministered to the saints [i.e., His holy people] and continue to minister [to them].

Luke 14:14

Then you will receive a blessing, because these people do not have anything to pay you back with, for you will be paid back when righteous people are raised from the dead."

Matthew 10:13

And if the people seem trustworthy, express your wish for blessings to rest upon them. But if they prove to be untrustworthy, may those blessings remain on you [instead].

Matthew 25:40

And the King will answer them and say, 'Truly I tell you, since you did all this for one of my least [significant] brothers, you did it for me.'

2 Corinthians 9:6

But [remember] this: The person who plants only a few seeds will harvest a meager crop. And the one who plants many seeds [Note: The Greek says, "plants with blessings"] will harvest a bumper crop.

Galatians 6:8-10

If he engages in things to satisfy his own sinful desires, he will be [spiritually] destroyed for such conduct, but the one who engages in things to please the Holy Spirit will receive never ending life [as a result].

Treasury of Scripture Knowledge

Summary

Cast thy bread upon the waters: for thou shalt find it after many days.

General references

Bible References

For

Matthew 10:13
And if the people seem trustworthy, express your wish for blessings to rest upon them. But if they prove to be untrustworthy, may those blessings remain on you [instead].
Matthew 25:40
And the King will answer them and say, 'Truly I tell you, since you did all this for one of my least [significant] brothers, you did it for me.'
Luke 14:14
Then you will receive a blessing, because these people do not have anything to pay you back with, for you will be paid back when righteous people are raised from the dead."
2 Corinthians 9:6
But [remember] this: The person who plants only a few seeds will harvest a meager crop. And the one who plants many seeds [Note: The Greek says, "plants with blessings"] will harvest a bumper crop.
Galatians 6:8
If he engages in things to satisfy his own sinful desires, he will be [spiritually] destroyed for such conduct, but the one who engages in things to please the Holy Spirit will receive never ending life [as a result].
Hebrews 6:10
For God is not [so] unjust as to forget the work you are doing and the love you have shown for Him, as you ministered to the saints [i.e., His holy people] and continue to minister [to them].

General references

Matthew 5:42
Give to the person who asks you [for something], and do not refuse to lend to the person who wants to borrow something from you.