Ephesians 3:17b-19

And I pray that you, being rooted and established in love, may have power, together with all the Lord's holy people, to grasp how wide and long and high and deep is the love of Christ, and to know this love that surpasses knowledge--that you may be filled to the measure of all the fullness of God. 

And I pray that you, being rooted and established in love 
Colossians 2:6-7  So then, just as you received Christ Jesus as Lord, continue to live your lives in him, rooted and built up in him, strengthened in the faith as you were taught, and overflowing with thankfulness.

may have power, together with all the Lord's holy people 
Ephesians 1:15-16  For this reason, ever since I heard about your faith in the Lord Jesus and your love for all God's people, I have not stopped giving thanks for you, remembering you in my prayers.

to grasp how wide and long and high and deep is the love of Christ 
Job 11:7-9  "Can you fathom the mysteries of God? Can you probe the limits of the Almighty? They are higher than the heavens above--what can you do? They are deeper than the depths below--what can you know? Their measure is longer than the earth and wider than the sea."
Psalm 103:11  For as high as the heavens are above the earth, so great is his love for those who fear him; ...

and to know this love that surpasses knowledge 
Philippians 4:7  And the peace of God, which transcends all understanding, will guard your hearts and your minds in Christ Jesus.

that you may be filled 
Colossians 2:10  ... and in Christ you have been brought to fullness. He is the head over every power and authority.

to the measure of all the fullness of God 
Ephesians 1:22-23  And God placed all things under his (Jesus') feet and appointed him to be head over everything for the church, which is his body, the fullness of him who fills everything in every way.

(parentheses are mine)

Scriptures taken from the Holy Bible, New International Version® NIV®, Copyright© 1973, 1978, 1984, 2011 by Biblica, Inc.® Used by permission. All rights reserved worldwide. 
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