Behold, what manner of love the Father hath bestowed upon us, that we should be called the sons of God: therefore the world knoweth us not, because it knew him not.
Berean Study Bible (BSB) - 1 John 3:1 >Behold what manner of love the Father has given to us, that we should be called children of God. And that is what we are! The reason the world does not know us is that it did not know Him.
Textus Receptus (TR) - 1 John 3:1 >Ἴδετε ποταπὴν ἀγάπην δέδωκεν ἡμῖν ὁ πατήρ, ἵνα τέκνα Θεοῦ κληθῶμεν. Διὰ τοῦτο ὁ κόσμος οὐ γινώσκει ἡμᾶς, ὅτι οὐκ ἔγνω αὐτόν.