How does David express this same truth?

Answer

"When the fullness of the time was come, God sent forth His Son, made of a woman, made under the law,
to redeem them that were under the law, that we might receive the adoption of sons." Gal. 4: 4, 5.
"The Spirit Of the Lord spoke by me, and His word was in my tongue." 2 Sam. 23:2

How perfect is the unity into which believers are brought by being baptized into Christ?
What did the Lord command Abraham to do?
To whom did God commit the care and early training of His only begotten Son?
Of what was the, blood of all the sacrifices of the former dispensation only a type?
16. Could the offerings commanded by the ceremonial law satisfy or make perfect the conscience of the believer?
What promise is made to those that mourn?
When will immortality be conferred upon the saints?

Questions & Answers are from the book Bible Readings for the Home Circle