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.
Berean Study Bible (BSB) - 1 Chronicles 22:5 >And David said, “My son Solomon is young and inexperienced, and the house to be built for the LORD must be exceedingly magnificent—famous and glorious throughout all lands. Therefore I must make preparations for it.” So David made lavish preparations before his death.