Then the channels of waters were seen, and the foundations of the world were discovered at thy rebuke, O LORD, at the blast of the breath of thy nostrils.
In the previous verses the enemy's overthrow was described; in this and the following verses is described the Psalmist's deliverance.
Then the channels of waters were seen ... (the channels below had been hidden, in which I lay as it were buried in "the floods" (Psalms 18:4 ), until) the foundations of the world were discovered at thy rebuke, O Lord. Compare Psalms 144:6-7.