KJV: And it shall come to pass, when thy days be expired that thou must go to be with thy fathers, that I will raise up thy seed after thee, which shall be of thy sons; and I will establish his kingdom.
NASB: "When your days are fulfilled that you must go to be with your fathers, that I will set up one of your descendants after you, who will be of your sons; and I will establish his kingdom.
KJV: Let it even be established, that thy name may be magnified for ever, saying, The LORD of hosts is the God of Israel, even a God to Israel: and let the house of David thy servant be established before thee.
NASB: "Let Your name be established and magnified forever, saying, 'The LORD of hosts is the God of Israel, even a God to Israel; and the house of David Your servant is established before You.'
KJV: And David said, Solomon my son is young and tender, and the house that is to be builded for the LORD must be exceeding magnifical, of fame and of glory throughout all countries: I will therefore now make preparation for it. So David prepared abundantly before his death.
NASB: David said, "My son Solomon is young and inexperienced, and the house that is to be built for the LORD shall be exceedingly magnificent, famous and glorious throughout all lands. Therefore now I will make preparation for it." So David made ample preparations before his death.
KJV: He shall build an house for my name; and he shall be my son, and I will be his father; and I will establish the throne of his kingdom over Israel for ever.
NASB: 'He shall build a house for My name, and he shall be My son and I will be his father; and I will establish the throne of his kingdom over Israel forever.'