Colossians 2  Paul says that his purpose is to encourage believers, that "they may be joined together in love."  He wants them to "have all the riches derived from being assured of understanding and fully knowing God's secret truth, which is - the Messiah!" 

The NASB says it this way.. ".. that their hearts may be encouraged, having been knit together in love, and attaining to all the wealth that comes from the full assurance of understanding, resulting in a true knowledge of God's mystery, that is Christ Himself, in whom are hidden all the treasures of wisdom and knowledge." 

The finish line.. the goal, the prize, the "riches"  or wealth that we are "attaining to".. is found in Jesus.  "For in him, bodily, lives the fullness of all that God is. And it is in union with Him that you have been made full - He is the head of every rule and authority. "

The way- the path we must walk..  "comes from the full assurance of understanding.. " We must be completely convinced, persuaded, and confident in what we now understand - what we have learned;  what we have comprehended -about Jesus.  We must be "deeply rooted in him"; "built up in him"'  and "established in [our] faith" in Him. For all the  ".. treasures of wisdom and knowledge"  are found in Jesus. 

Paul warns his readers to "watch out".... and we need to heed his warning. 

For some will try to take us "captive by means of philosophy and empty deceit."(v8) ( Sounds like the nightly news to me..)

Some will try to keep us from our prize by leading us to false practices and false worship. (v18)

Some will bother us with man-made rules and false teachings. (v22)

We must not fail to hold on to Jesus "the Head, from whom the whole Body, receiving supply and being held together by its joints and ligaments, grows and God makes it grow." ( v19)

This is our belt of TRUTH. Be encouraged in Jesus.  Be united in Jesus. And be fully confident in what we have learned about Jesus in whom ALL wisdom and ALL knowledge is found. 

Father, You have made us full.. complete.. in union with Jesus our Lord. He is our King.. our Head.. and we stand firmly in the Beautiful One who made us alive, forgave our sins, and wiped away the charges against us. Help us in our weaknesses and struggles, Almighty Lord.  May we draw nearer and nearer to Your heart and  kept in Your Hand where we can never be snatched away!  Your praise is on our lips!  Hallelujah. Amen.