Matthew 5:47

καὶ ἐὰν ἀσπάσησθε τοὺς φίλους ὑμῶν μόνον τί περισσὸν ποιεῖτε; οὐχὶ καὶ οἱ τελῶναι οὕτω ποιοῦσιν;

And if you greet your friends only, what are you doing more than others? Do not even the tax collectors do that?

* friends or loved ones