Psalms 86:3

Be merciful unto me, O Lord,.... In my distressed and miserable condition, being an object of mercy, pity, and compassion; this petition is used by Christ in Psa 41:10.

for I cry unto thee daily; or…

Be merciful unto me, O Lord - It was mercy after all that he relied on, and not justice. It was not because he had any claim on the ground that he was “holy,” but all that he had and hoped for was to…

This psalm was published under the title of a prayer of David; not as if David sung all his prayers, but into some of his songs he inserted prayers; for a psalm will admit the expressions of any pious…

Be gracious unto me, O Lord;

For unto thee do I cry all the day long.

See Psa 57:1-2, and elsewhere (Psa 3:4; Psa 4:1; &c.).