1 Corinthians 2v12 - those with the Spirit of God know what God has freely given to them.
Let us grasp what God has freely given and that God really has given it freely!
Illustrated by the awkward situation of trying to give a friend "petrol money" for a freely offered lift.
Is our relationship with God strained because we are trying to give God petrol money every time He gives us a "lift"?