Now one of the scribes had come up and heard their debate. Noticing how well Jesus had answered them, he asked Him, “Which commandment is the most important of all?”
KJV
And one of the scribes came, and having heard them reasoning together, and perceiving that he had answered them well, asked him, Which is the first commandment of all?
ASV
And one of the scribes came, and heard them questioning together, and knowing that he had answered them well, asked him, What commandment is the first of all?