How often did David say he would pray?

Answer

"Evening, and morning, and at noon, will I pray, and cry aloud: and He shall hear my voice." Ps. 55: 17.
See Dan. 6: 10.

By whom were the men directed who thus spoke for God?
What is necessary in order that the preaching of the gospel may be profitable?
What does the Apostle Paul say concerning this?
Are God's people free from affliction?
How may one grow in grace?
Who notes the groans of the prisoner?
What is to be the reward of those whose works are good?

Questions & Answers are from the book Bible Readings for the Home Circle