1 Kings 1:51 in the World English Bible
Solomon was told, “Behold, Adonijah fears King Solomon; for, behold, he is hanging onto the horns of the altar, saying, ‘Let King Solomon swear to me first that he will not kill his servant with the sword.’”
Context
50 And Adonijah feared because of Solomon, and arose, and went, and caught hold on the horns of the altar.
51 And it was told Solomon, saying, Behold, Adonijah feareth king Solomon: for, lo, he hath caught hold on the horns of the altar, saying, Let king Solomon swear unto me to day that he will not slay his servant with the sword.
52 And Solomon said, If he will shew himself a worthy man, there shall not an hair of him fall to the earth: but if wickedness shall be found in him, he shall die.