Chapter 33 — Part IV: Prayer — On Prayer in General
Section 93. We Must Pray With Perseverance — Another necessary condition of prayer is constancy. The great efficacy of perseverance, the Son of God exemplifies by the conduct of the judge, who, while he feared not God, nor regarded man, yet, overcome by the persistence and importunity of the widow, yielded to her entreaties." In our prayers to God we should, therefore, be persevering.