Luke 14:12

And he said to the man who had invited him, "When you give a luncheon or a dinner, do not invite your friends or your brothers or your relatives or your rich neighbors, for then they will invite you in return and you will be repaid.

Matthew 6:1-4

"But take care not to do your good deeds in public for people to see, for, if you do, you will get no reward from your Father in heaven.

Matthew 5:46

For if you love only those who love you, what reward can you expect? Do not the very tax-collectors do that?

Matthew 6:16-18

"When you fast, do not put on a gloomy look, like the hypocrites, for they neglect their personal appearance to let people see that they are fasting. I tell you, that is all the reward they will get.

Luke 1:53

He has satisfied the hungry with good things, and sent the rich away empty-handed.

Luke 6:32-36

If you love only those who love you, what merit is there in that? For even godless people love those who love them.

James 2:1-6

My brothers, do you try to combine faith in our glorious Lord Jesus Christ with acts of partiality?

Treasury of Scripture Knowledge

Summary

Then said he also to him that bade him, When thou makest a dinner or a supper, call not thy friends, nor thy brethren, neither thy kinsmen, nor thy rich neighbours; lest they also bid thee again, and a recompence be made thee.

General references

Bible References

When

Luke 1:53
He has satisfied the hungry with good things, and sent the rich away empty-handed.
James 2:1
My brothers, do you try to combine faith in our glorious Lord Jesus Christ with acts of partiality?

And a

Luke 6:32
If you love only those who love you, what merit is there in that? For even godless people love those who love them.
Matthew 5:46
For if you love only those who love you, what reward can you expect? Do not the very tax-collectors do that?
Matthew 6:1
"But take care not to do your good deeds in public for people to see, for, if you do, you will get no reward from your Father in heaven.

General references

Matthew 5:42
If anyone begs from you, give to him, and when anyone wants to borrow from you, do not turn away.
Luke 6:34
And if you lend only to people from whom you expect to get something, what merit is there in that? Even godless people lend to godless people, meaning to get it back again in full.