All the powers known to the senses. Then the imagination is in need of these senses, so it does not imagine at all except what these powers give it. Then, if the preserving power does not hold on to the imagination what it has acquired of these powers, then nothing of it will remain in the imagination, for it is in need of the senses and the preserving power. Then The preserving power may have obstacles that prevent it from imagining, so the imagination misses many things because of the weakness that has occurred in the preserving power due to the presence of the obstacle, so it lacks the reminiscent power, so it reminds him of what he missed, so it is specific to the preserving power of that. Then, if the thinking power comes to the imagination, it lacks... The pictorial power is used to synthesize from things that the imagination has captured the form of evidence for a matter and a proof in which it is based on tangible things or necessities, and these are things that are concentrated in the construct. If the thought imagines that evidence, then the mind takes it from it and judges by it the signified. There is no power that does not have impediments and fallacies, so it needs to be separated from it. The correct and proven truth. So look, my brother, how impoverished the mind is, as it does not know anything of what we have mentioned except through the mediation of these powers, and there are faults in them. If the mind is given to achieve any of these matters through these methods, and then God informs it of a matter, it stops accepting it and says that the thought rejects it, so what is this mind that is ignorant? By the power of his Lord, how he imitated his thought and offended his Lord