Matthew 5:44-48 New American Standard Bible (NASB)
44 But I say to you, love your enemies and pray for those who persecute you, 45 so that you may [a]be sons of your Father who is in heaven; for He causes His sun to rise on the evil and the good, and sends rain on the righteous and the unrighteous. 46 For if you love those who love you, what reward do you have? Do not even the tax collectors do the same? 47 If you greet only your brothers, what more are you doing than others? Do not even the Gentiles do the same? 48 Therefore [b]you are to be perfect, as your heavenly Father is perfect.