And Saul swore to her by the LORD, saying, "As the LORD lives, no punishment shall come upon you for this thing."
1 Samuel 28:10
Surrounding context
28:9 Then the woman said to him, "Look, you know what Saul has done, how he has cut off the mediums and the spiritists from the land. Why then do you lay a snare for my life, to cause me to die?"
28:10 And Saul swore to her by the LORD, saying, "As the LORD lives, no punishment shall come upon you for this thing."
28:11 Then the woman said, "Whom shall I bring up for you?" And he said, "Bring up Samuel for me."