Quote two lines that indicate the doctor and Hester know each other before this meeting?

The jailer, after ushering him into the room, remained a moment, marvelling at the comparative quiet that followed his entrance; for Hester Prynne had immediately become as still as death, although the child continued to moan.

Nor did his demeanour change when the withdrawal of the prison keeper left him face to face with the woman, whose absorbed notice of him, in the crowd, had intimated so close a relation between himself and her.