Luke 6:34 in the King James Version
And if ye lend to them of whom ye hope to receive, what thank have ye? for sinners also lend to sinners, to receive as much again.
Context
33 If you do good to those who do good to you, what credit is that to you? For even sinners do the same.
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.
35 But love your enemies, and do good, and lend, expecting nothing back; and your reward will be great, and you will be children of the Most High; for he is kind toward the unthankful and evil.