“For this is he, of whom it is written, Behold, I send my messenger before thy face, which shall prepare thy way before thee.”
King James Version (KJV)
11:10 #Mal 3:1|.
Mt 11:10 This is [he], concerning whom it is written. Of whom Malachi (Mal 3:1) and Isaiah prophesied (Isa 40:3). See PNT "Mt 3:3".