Delighting in the Lord

Delight thyself also in the LORD; and he shall give thee the desires of thine heart.
Psalm 37:4

How do I delight myself in You, Lord?

If thou turn away thy foot from the sabbath, from doing thy pleasure on my holy day; and call the sabbath a delight, the holy of the LORD, honourable; and shalt honour him, not doing thine own ways, nor finding thine own pleasure, nor speaking thine own words: Then shalt thou delight thyself in the LORD; ...
Isaiah 58:13-14a