Delight yourself also in the LORD, And He shall give you the desires of your heart.
The word picture meaning for heart is "controls the inside".
What controls the inside of you?
Is it chaos (life without purpose) or are you controlled by an ongoing revelation of who God is in and through you as the Master Potter "lifts up life" in you?
Ephesians 2:10 For we are His workmanship, created in Christ Jesus for good works, which God prepared beforehand that we should walk in them.