be ignorant of # 23_ISA_63_16 # Doubtless thou [art] our father, though Abraham be ignorant of us, and Israel acknowledge us not: thou, O LORD, [art] our father, our redeemer; thy name [is] from everlasting. 
be ignorant of # 45_ROM_11_25 # For I would not, brethren, that ye should be ignorant of this mystery, lest ye should be wise in your own conceits; that blindness in part is happened to Israel, until the fulness of the Gentiles be come in.