All actions proceed from thought. The heart generally represents the spirit in scriptural terms. As Jesus said it is “out of the heart” that all manner of evil proceeds. He showed it as the first cause or generator of action.
1 Peter 1:13 (KJV) Wherefore gird up the loins of your mind, be sober, and hope to the end for the grace that is to be brought unto you at the revelation of Jesus Christ.”
The loins of your mind speak of the reproductive part of the soul, which is feminine. It is able, like a womb, to receive the seeds of thought, which are spirit. We are instructed by Paul in 2 Corinthians 2:11 to “not be ignorant of Satan’s devices.” Devices is from the Greek word noema which means “thoughts.” So we are not to be ignorant of Satan’s thoughts. We are to have discernment and test the spirits to see if they be of God. For Satan, who is a spirit, would like to “impregnate” our mind with his thoughts. And the Bible tells us that when sin is conceived it brings forth death, just as it did in Adam and Eve.
This is an excerpt from “The Cross in the heart of God” by Don Godfroy