87. The difference between good without truth and truth coming from good can be clearly seen in the case of man. All his good is located in the will, and all his truth in the understanding; and the will cannot act to the slightest extent as a result of its good, except through the understanding. It cannot act, speak or feel. All its ability and power come through the understanding, consequently through truth, for the understanding is the container and dwelling-place of truth. It is like the way the heart and lungs work in the body. The heart unless accompanied by the breathing of the lungs cannot produce any movement or any sensation, but both of these are the product of the breathing of the lungs proceeding from the heart. This is evident in the loss of consciousness in cases of suffocation or drowning, when the breathing stops, though the systolic action of the heart continues. It is well known that in these cases there is neither movement nor sensation. It is the same with an embryo in the mother's womb. The reason is that the heart corresponds to the will and the various kinds of good it contains, the lungs to the understanding and the various kinds of truth it contains.
[2] The power of truth is very clearly to be seen in the spiritual world. An angel who possesses Divine truths from the Lord, even if physically as weak as a child, can still put to rout a crowd of spirits from hell, though they look like the Anakim and Nephilim, that is, like giants, and pursue them down to hell and force them into its caverns; and when they emerge from these they do not dare to approach the angel. Those who possess Divine truths from the Lord behave in that world like lions, though they have no more strength in their bodies than sheep. Likewise, human beings who possess Divine truths from the Lord have power against evils and falsities, and so they have against serried ranks of devils, who regarded as they are in essence are simply evils and falsities. The reason there is such strength in the Divine Truth is that God is Good itself and Truth itself, and He created the universe by means of the Divine Truth; and all the laws of order by which He preserves the universe are instances of truth. This is why it is said in John that 'all things were made through the Word, and without Him was nothing made that was made' (John 1:3, 10); and in the Psalms of David:
Through the Word of Jehovah the heavens were made, and through the breath of His mouth the whole company of the heavens. Ps. 33:6.