NET
2 As it is written in the prophet Isaiah, “Look, I am sending my messenger ahead of you, who will prepare your way,
Darby
2 as it is written in [Isaiah] the prophet, Behold, *I* send my messenger before thy face, who shall prepare thy way.
KJV
2 As it is written in the prophets, Behold, I send my messenger before thy face, which shall prepare thy way before thee.