Bible Verses About Prayer: Answer to prayer, delayed

My God, my God, why hast thou forsaken me? Why art thou sofar from helping me, and from the words of my groaning?

O my God, I cry in the daytime, but thou answerest not; And in the night season, and am not silent.

I waited patiently for Jehovah; And he inclined unto me, and heard my cry.

O Jehovah God of hosts, How long wilt thou be angry against the prayer of thy people?

Jehovah, why castest thou off my soul? Why hidest thou thy face from me?

And it came to pass after ten days, that the word of Jehovah came unto Jeremiah.

O Jehovah, how long shall I cry, and thou wilt not hear? I cry out unto thee of violence, and thou wilt not save.

And shall not God avenge his elect, that cry to him day and night, and yet he is longsuffering over them?