I prevented the dawning of the morning, and cried
That is, he awoke and got up, and prayed, before the day broke, the morning looked forth, or the sun arose: he was early as well as earnest in his supplications to God; see ( Psalms 5:3 ) ( 55:17 ) ; as Christ, his antitype, rose early in the morning, a great while before day, and went out to a solitary place, and prayed, ( Mark 1:35 ) ;
I hoped in thy word;
which is a great encouragement to prayer, the grace of hope itself is, though a man can only put his mouth in the dust, if so be there may be hope; and especially when it is grounded on the word of promise, that God will hear and answer his people, when they call upon him in a time of trouble: and particularly hope in Christ, the essential Word, is a great encouragement; many encouraging arguments to prayer are taken from the person, office, advocacy, and mediation of Jesus Christ, ( Hebrews 4:14 Hebrews 4:16 ) ( 10:19-23 ) .