KJV: And Ahithophel said unto Absalom, Go in unto thy father's concubines, which he hath left to keep the house; and all Israel shall hear that thou art abhorred of thy father: then shall the hands of all that are with thee be strong.
NASB: Ahithophel said to Absalom, "Go in to your father's concubines, whom he has left to keep the house; then all Israel will hear that you have made yourself odious to your father. The hands of all who are with you will also be strengthened."
KJV: And the counsel of Ahithophel, which he counselled in those days, was as if a man had inquired at the oracle of God: so was all the counsel of Ahithophel both with David and with Absalom.
NASB: The advice of Ahithophel, which he gave in those days, was as if one inquired of the word of God; so was all the advice of Ahithophel regarded by both David and Absalom.
KJV: And I will come upon him while he is weary and weak handed, and will make him afraid: and all the people that are with him shall flee; and I will smite the king only:
NASB: "I will come upon him while he is weary and exhausted and terrify him, so that all the people who are with him will flee. Then I will strike down the king alone,
KJV: And he also that is valiant, whose heart is as the heart of a lion, shall utterly melt: for all Israel knoweth that thy father is a mighty man, and they which be with him are valiant men.
NASB: "And even the one who is valiant, whose heart is like the heart of a lion, will completely lose heart; for all Israel knows that your father is a mighty man and those who are with him are valiant men.