But now he needs to harden his heart, in order not to yield to their strange and persistent demands.
"The Expositor's Bible: The Book of Exodus"
G. A. Chadwick
Laura was usually composed, but he saw her face harden, for she was angry at his insistence.
"The Greater Power"
Harold Bindloss W. Herbert Dunton
Another reprint, edited by W Tyas harden, appeared in 1888, 8vo.
"A Handbook to the Works of Browning (6th ed.)"
Mrs. Sutherland Orr