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 5:46-47

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

1 Peter 2:19-20

For God approves a man if from a sense of duty he endures suffering unjustly inflicted??20 for what credit is there in your enduring being beaten for doing wrong? But if you endure suffering for doing what is right, you have God's approval.

Treasury of Scripture Knowledge

Summary

For if ye love them which love you, what thank have ye? for sinners also love those that love them.

Bible References

If

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?

What

1 Peter 2:19
For God approves a man if from a sense of duty he endures suffering unjustly inflicted??20 for what credit is there in your enduring being beaten for doing wrong? But if you endure suffering for doing what is right, you have God's approval.