Beloved, I wish above all things that thou mayest prosper and be in health, even as thy soul prospereth. 3 John 1:2. The mind consist of one's will, intellect and emotions; which is the soul of man. At salvation the spirit of man; which is also referred to as the heart gets quickened or made alive (But let it be the hidden man of the heart, in that which is not corruptible,... ) 1 Peter 3:4 The heart is saved, the soul is not. You [we] have a duty to save our soul; and it has to be done through studying the word and meditating upon the word, that's when the transformation of mind/soul begins. Romans 12:2 "And be not conformed to this world: but be ye transformed by the renewing of your MIND, that ye may prove what is that good, and acceptable, and perfect, will of God." As you spend more time in the Word of God; like a mirror you beginning to see your true identity from it. This is the reason we are admonished to study the Word of God. Satan knows this, so he tries...
"But if our gospel be hid, it is hid to them that are lost:" 2 Corinthians 4:3