Your spirit.

"That he (the Father) would grant you, according to the riches of his glory, TO BE STRENGTHENED WITH MIGHT BY HIS SPIRIT IN THE INNER MAN (your spirit);" (Eph 3:14-16)

# Be Spiritual.

Many of us have already forgotten we have our individual spirit different from God's Spirit, i.e., the Holy Spirit. Your spirit is NOT the Spirit of God, but it carries WITHIN himself the Holy Spirit of God. Your spirit is housing the Holy Spirit, and also (could be) shielding the power of God's Spirit. 

~ The way of godliness.

"For bodily exercise profiteth little: but godliness is profitable unto all things, having promise of the life that now is, and of that which is to come." (1Ti 4:8) 

It is only when we realise this truth that we then can begin to engage ourselves in spiritual exercises without being cajoled or forced. What spiritual exercises like; fasting, praying, studying and meditating, worshipping, fellowshipping, etc, does is very important in the working out our own salvation. These exercises aligns us (body, mind, and spirit) to receive from the Spirit of God. And this will profit us greatly in all things. 

This way of godliness or mindedness is the sure way of drawing up strength from the LORD's Spirit through our spirits, and in working out our deliverance from whatsoever that could be holding us down. [Note: Never turn down any opportunity to engage yourself in spiritual exercises (i.e., awakening the inner man) IF you know you can. Do them as often as they come your way in your local church, till it becomes the major tools to tapping into the Source of strength for your life.]

# Increase in grace.

The power many believers are seeking for is WITHIN them. Drawing up this power is the biggest challenge to most believers. Whatever you're doing without your understanding tend to easily fade away, but when you know it's a link to what you desire, you never get tired of it. 

The way of godliness or should I say "God-mindedness", has become very religious and tiring to many. This isn't suppose to be so if the right teachings have been done on it. At the point of believing and confessing that Christ is God in flesh, that very point is when, simultaneously, the Holy Spirit comes in to reside IN their newly birth spirit. But instead, many didn't pay attention to this. 

YOU HAVE A SPIRIT THAT NOW CONNECT YOU TO THE HOLY SPIRIT. You have to constantly get your spirit to be your primary source of living the eternal life of the Spirit of God. You constantly need to fast, pray, worship, praise, study and meditate on every Word of God, and fellowship with other believers, regularly. Feed your spirit with the Word of God, and he (your spirit) will come alive!