God gave us a body, a mind and emotions. The danger is when we are only operating in the flesh and leave the spirit out. Those who are led of the spirit are the true sons and daughters of God. This concept of the flesh goes back to the book of Genesis. The Bible says in Genesis that “God looked upon the earth and indeed it was corrupt, for the flesh had corrupted their way on earth.” The Bible says the works of the flesh are evident. They are things like idolatry, hatred, contentions, selfish ambition, envy, murder, etc.