202. The Most Ancient Church, which was celestial man, was not only forbidden to eat from the tree of knowledge, that is, to learn that which comprised faith from sensory evidence and from facts; it was not even allowed 'to touch that tree', that is, even to think from sensory evidence and from facts about anything that was a matter of faith. This was to prevent them slumping from celestial to spiritual life, and in this way going down further still. The life of celestial angels is also the same. Those of them who are more interiorly celestial do not even allow faith to be mentioned or anything whatever which has a spiritual origin. If others mention it they perceive love instead of faith, with a difference known only to themselves. Thus anything that is a matter of faith they derive from love and charity. Still less do they allow themselves to listen to anything of a rational nature concerning faith, and least of all to anything of a factual nature; for they possess from the Lord by way of love a perception of what good and truth are. From perception they know instantly whether something is so or not so. Consequently when any statement about faith is made their response is either That is so, or That is not so, for they are perceiving from the Lord. This is what the Lord's words mean in Matthew, Let your words be, YES, YES, NO, NO; anything beyond this is from evil.^a Matt 5:37. The present verse in Genesis says that they were not allowed even to touch the fruit of the tree of knowledge, for if they did touch it, they would be subject to evil, that is, they would consequently die. All the same, celestial angels, like others, discuss various matters among themselves, but they do so in celestial language that is formed by, and derived from, love, a language that is more indescribable than the language of spiritual angels.

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