He said some of this information is probably in the chapter on worship in his book Desiring God.
(1) Read God's Word
(2) Pray· I... Incline my heart to your testimony. [Psalm 119:36]
· O... Open my eyes that I may behold wonderful things out of your law. [Psalm 119:18]
· U... Unite my heart. [Psalm 86:11]
· S... Satisfy me in the morning with your steadfast love. [Psalm 90:14]