John 12:41-44

Isaiah said these things because he saw His glory and spoke about Him. [Is 6:9, 10] Nevertheless, even many of the leading men believed in Him [as Savior and Messiah], but because of the Pharisees they would not confess it, for fear that [if they acknowledged Him openly] they would be put out of the synagogue (excommunicated); for they loved the approval of men more than the approval of God. But Jesus loudly declared, “The one who believes and trusts in Me does not believe [only] in Me but [also believes] in Him who sent Me.