'Grasp' in the Bible

I pray that Christ may make His home in your hearts through your faith; so that having your roots deep and your foundations strong, in love, you may become mighty to grasp the idea,

"To the minister of the Church in Ephesus write as follows: "'This is what He who holds the seven stars in the grasp of His right hand says--He who walks to and fro among the seven lampstands of gold.