State of mind & heart to strive for when saying the Obligatory Prayer

O My brother! How great, how very great, can the law of obligatory prayer be, when, through His mercy and loving kindness, one is enabled to observe it. When a man commenceth the recitation of the Obligatory Prayer, he should see himself severed from all created things and regard himself as utter nothingness before the will and purpose of God, in such wise that he seeth naught but Him in the world of being. This is the station of God's well-favored ones and those who are wholly devoted to Him. Should one perform the Obligatory Prayer in this manner, he will be accounted by God and the Concourse on high among those who have truly offered the prayer. (Baha’u’llah, compilation on The Importance of Obligatory Prayer and Fasting)