“And Asa cried to the Lord his God, “O Lord, there is none like you to help, between the mighty and the weak. Help us, O Lord our God, for we rely on you, and in your name we have come against this multitude. O Lord, you are our God; let not man prevail against you.” 2 Chronicles 14:11 (ESV)

“Preserve me, O God, for in you I take refuge.” Psalm 16:1 (ESV)

"And Hannah answered and said, No, my lord, I am a woman of a sorrowful spirit: I have drunk neither wine nor strong drink, but have poured out my soul before the LORD." 1 Samuel 1:15

“And he told them a parable to the effect that they ought always to pray and not lose heart.” Luke 18:1 (ESV)