1 John 5:11

11Andκαὶthisαὕτηisἐστὶνtheἡtestimonyμαρτυρία,thatὅτιlifeζωὴνeternalαἰώνιονhas givenἔδωκενὁGodθεὸςto usἡμῖν,andκαὶthisαὕτηtheἡlifeζωὴinἐνtheτῷSonυἱῷHisαὐτοῦisἐστιν.

And this is the testimony: that God has given to us eternal life, and this life is in His Son.