Deuteronomy 13:8
Thou shalt not consent unto him, nor hearken unto him; neither shall thine eye pity him, neither shalt thou spare, neither shalt thou conceal him: (Deuteronomy 13:8)
Pity.
 When eternal destinies are at stake stern measures must be taken. The surgeon’s knife may be painful, yet it may be the only way to save other lives (ch. 7:16; 19:13, 21; 25:12).