1;  David, in confidence of faith, and experience of God's
     favour, prays both for himself, and against the enemies of
     his soul.
 14;  He promises constancy.
 17;  He prays for perseverance.
 19;  He praises God, and promises to do it cheerfully.

 * do I.
  22:5  25:2,3  31:1-3  125:1  146:5  2Ki 18:5  1Ch 5:20  Ro 9:33 
  1Pe 2:6 
 * let me.
  Isa 45:17  Jer 17:18