6949. 'And it was made into a serpent' means the sensory and bodily level of a person's mind separated from the internal. This is clear from the meaning of 'a serpent' as a person who engages in reasoning based on sensory evidence, dealt with in 195-197, 6398, 6399, thus the sensory level of a person's mind. And since 'a serpent' means the sensory level it means the bodily also, for the sensory level acquires its perceptions from the bodily senses. And since the sensory level regarded in itself is such as is described immediately above in 6948, 'a serpent', which is the sensory level, also means all evil in general, 251, 254, 257. The use of 'a serpent' here to mean the sensory and bodily level of a person's mind separated from the internal or rational level is evident from the fact that Moses fled from before it, meaning a feeling of horror caused by it, as well as from the fact that this sign describes the state of those who belonged to the spiritual Church if they were not in possession of faith; for in that case their internal would be closed and no more of the light of heaven would flow in than would be sufficient to enable them to think on that separated sensory level and therefore speak on that level. This level, separated [from the internal], is the one on which all people think who defend falsities in opposition to truths, and evils in opposition to forms of good, in short all who in life pursue what is evil and who are consequently devoid of any faith since those who lead an evil life have no belief at all. People like this have greater ability than others to engage in reasoning and to convince others, especially the simple, because when they speak they draw on the illusions of the senses and worldly appearances. They also know how to demolish truths or hide them from view by means of illusions, on account of which cunning and deceitfulness are also meant by 'serpents'. When however the sensory level has become joined to the internal or has been made properly subordinate to the rational, 'a serpent' means shrewdness and circumspection, 197, 4111, 6398.

196. In ancient times people who relied on sensory evidence rather than matters of revelation were called serpents. Nowadays the position is even worse, for not only are there people who believe nothing unless they can see it with their eyes and apprehend it with their senses, there are also those who confirm themselves in that attitude by means of facts unknown to the most ancient people, and who in so doing blind themselves very much more. To make known how people who draw conclusions about heavenly things on the basis of sensory evidence, facts, and philosophical arguments, so blind themselves that they subsequently see and hear absolutely nothing, and who are not only the deaf serpents but also the far more deadly flying serpents, mentioned in the Word as well, let their belief concerning the spirit serve as an example.

[2] Anybody who is sensory-minded, that is, whose belief is rooted solely in the senses, denies the existence of the spirit because he does not see it. He says, 'Because I do not feel it, it is nothing; what I see and touch, I know to exist'. Anybody who is factually-minded, that is, who bases his conclusions on factual knowledge, says, 'What is the spirit but perhaps breath, or vital heat, or something else known to me, which is dissipated when it comes to an end? Do not animals as well have a body, and senses, and something analogous to reason? Yet people say that animals are destined to die but man's spirit to live.' In this way they deny the existence of the spirit. Philosophers, men wishing to be more incisive than everybody else, speak of the spirit in terms which they themselves are not clear about since they argue about them. They contend that not a single expression is applicable which in any way derives from what is material, organic, or spatial. In this way they dismiss the spirit from their ideas, and as a result it passes from their notice and becomes nothing at all.

[3] Those among them however who are more sensible say that the spirit is thought, but when they begin to reason about thought they at length conclude, since they separate thought from substance, that it will disappear when the body breathes its last. In this way everyone who reasons on the basis of sensory evidence, facts, and philosophical arguments denies the existence of the spirit, and in denying its existence never believes anything that is said about the spirit or about spiritual things. But if indeed the simple in heart are questioned they say that they know that the spirit exists because the Lord has said that they will live after death. Instead of smothering their rationality they nurture it by means of the Word of the Lord.