Gal 5:24-25- And those who belong to Christ Jesus (the Messiah) have crucified the flesh (the godless human nature) with its passions and appetites and desires.
25 If we live by the [Holy] Spirit, let us also walk by the Spirit. [If by the Holy Spirit we have our life in God, let us go forward walking in line, our conduct controlled by the Spirit.] AMP
The above is a familiar scripture and it goes well with I Corinthians 13, another well known passage. I Corinthians 13 is often called the Love chapter because it describes perfect love. This is not a description of human love but instead perfect Divine love, or the flawless, manifest and often visible proof of the presence of God. 
By His shear nature the presence of God produces more of Himself in the form of His fruit. Galatians 5:22-23 calls this the fruit of the Holy Spirit. When the Spirit of God is present inside of us it is perceived outside of us in the form of fruit, and it is evidence of His presence within us.
For the Christian trials and difficulties tend to squeeze God’s fruit from the pores of our flesh. It is during these times that the Christian often realizes more clearly and quickly that he cannot control people or circumstances, so he surrenders his efforts, which in turn make room for the flow and salvation of God.
To experience this process and to be aware of its effectiveness makes the Christian yearn for his own surrender and the presence of God and His fruits ─ not just during times of trouble, but all of the time. He realizes that, no matter what the circumstances he is not happy, and God is not pleased with angry, impatient, fearful behavior, and this conduct is not, and can never be the delightful, patient and gentle flow of God’s presence.
When the Christian has experienced the presence of God he does not want to return to the unstable fear and turmoil of the world or his flesh. So, he repents, prays and practices the self-control (given to him by God) that is necessary to stay in the in the presence of God.
Galatians 5:24-26 describes our decision to “choose God and stand” as walking in the Holy Spirit. This is obedience to God and it produces His fruit, and the Bible says it is the mark of a mature Christian and the measure of God’s effectiveness.