"Everyone is free to choose his own short prayers. Read the Psalms. There you can find in every Psalm inspiring appeals to God. Choose from them those which are most closely related to your state and most appeal to you. Learn them by heart and repeat now one, now another, now a third. Intersperse your recital of prayers with these, and let them be on your tongue at all times, whatever you may be doing, from one set time of prayer to another. You may also formulate your own prayers, should they better express your need…."