But there are some of you that believe not. For Jesus knew from the beginning who they were that believed not, and who should betray him.
Berean Study Bible (BSB) - John 6:64 >However, there are some of you who do not believe.” (For Jesus had known from the beginning which of them did not believe and who would betray Him.)
Textus Receptus (TR) - John 6:64 >Ἀλλ᾿ εἰσὶν ἐξ ὑμῶν τινες οἳ οὐ πιστεύουσιν. ᾜδει γὰρ ἐξ ἀρχῆς ὁ Ἰησοῦς, τίνες εἰσὶν οἱ μὴ πιστεύοντες, καὶ τίς ἐστιν ὁ παραδώσων αὐτόν.