The unspiritua* man (or woman) does not receive the gifts of the Spirit of God, for they are folly to him, and he is not able to understand them because they are spiritually discerned. 1 Corinthians 2:14
* The word unspiritual here is psychikos in the Greek, and designates the person who is dominated by his psyche or natural “soul” (the mind, the will and the emotions). The psychikos
is the once-born person, the natural fallen person, dead in trespasses and sins, without hope and without God. (Eph 2:1-12)
The natural man is to be carefully distinguished from what the Word calls the carnal man. The carnal (sarkikos) man is a Christian who is not fully surrendered to Christ and lives largely under the domination of his old (fleshly) nature. But the natural man is without spiritual discernment, blinded by the prince of this world. (John 12:40; 2 Cor. 4:4; 1 John 2:11)
…abstain from every form of evil.
May the God of peace himself sanctify you wholly; and may your spirit and soul and body be kept sound and blameless at the coming of our Lord Jesus Christ. He who calls you is faithful, and he will do it. 1 Thessalonians 5:22-24 (RSV)
Contentment Cottage 
