Hebrews 1:14
14 Are they not all ministering spirits ysent out to serve for the sake of those who are to zinherit salvation?
Hebrews 4:12
12 For wthe word of God is living and xactive, ysharper than any ztwo-edged sword, piercing to the division of soul and of spirit, of joints and of marrow, and adiscerning the thoughts and intentions of the heart.