“For the word of God is alive and exerts power and is sharper than any two-edged sword and pierces even to the dividing of the soul and spirit, and of the joints and their marrow, and is able to discern the thoughts and intentions of the heart.”—Heb. 4:12, NW.
... 19. Explain what is another exclusive power of God’s Word.
19 This living Word of God exerting power is said to be sharper than any two-edged sword, piercing even to the dividing of the soul and spirit and being able to discern what is in the heart of man. (Heb. 4:12, NW)