Verse 1
the LORD. Hebrew. Jehovah. App-4.
My voice and my supplications = My supplicating voice. Figure of speech Hendiadys. App-6. So some codices, with Septuagint, Syriac, and Vulgate, read "the voice of my supplication".
Verse 3
sorrows = cords. Put by Figure of speech Metonymy (of Cause), App-6, for the pains produced by them.
hell = Sheol. See App-35.
gat hold. Figure of speech Prosopopoeia. App-6.
Verse 4
Then called I = I will call, as in Psalms 116:13. See the Structure.
my soul = me (emphatic). Hebrew. nephesh. App-13.
Verse 5
Gracious. Compare Exodus 34:6, Exodus 34:7.
God. Hebrew. Elohim. App-4.
merciful = full of compassion.
Verse 6
simple = sincere or guileless ones; not "foolish" in the modern usage.
Verse 7
rest. Plural for emphasis.
For = Because.
Verse 10
I believed = I believed[Him]. Quoted in 2 Corinthians 4:13.
Verse 11
haste = hasting.
All men. Hebrew. "adam (with Art.) = all humanity.
liars: or false.
Verse 12
What shall I render . . . ? Note the answer in next verse.
Verse 13
I will take. The way to render thanks is to receive yet more grace.
And call = And [I will] call.
Verse 15
Precious. See note on 1 Samuel 3:1.
saints = separated ones.
Verse 17
offer = sacrifice. Hebrew. zabach. App-43.
Verse 19
Praise ye THE LORD = Hallelu-Jah. See App-4.