Now he is powerfully able to do abundantly above all which we ask or imagine, according to the power that is working in us ,-Ephesians 3:20 God is working out all good according to his purpose through his power. Paul directs his prays toward the church at Ephesus so that they would experience/know of God's power " so that according to the riches of His glory he grants you to acquire strength, powerful ability through his Spirit in your inner being, Christ dwelling in your hearts through faith, rooted and grounded in love, so that you are fully strong to lay hold of, with all the saints, what is the width, length, and height, and depth and know the love of Christ surpassing knowledge so that filled to the extent of all the fullness of God.-Ephesians 3:14-20 The word " so that " is a marker that shows purpose or result. Paul writes long sentences to make sure he covers everything, so to paraphrase, we need to have the God's strength to lay hold...
When we bear fruit, after being deeply rooted, and growing up truth in love, the love of God is fulfilled.