Matthew 5:47 in the King James Version
And if ye salute your brethren only, what do ye more than others? do not even the publicans so?
Context
46 For if you love those who love you, what reward do you have? Don’t even the tax collectors do the same?
47 If you only greet your friends, what more do you do than others? Don’t even the tax collectors do the same?
48 Therefore you shall be perfect, just as your Father in heaven is perfect.