14 distinct Greek words appear in this verse.

• Faith
• Forgiveness
• Prayer

9 passages from patristic writers, Reformers, and church catechisms citing this verse.

• 1Cor 11:30 — For this cause many are weak and sickly among you, and many sleep.
• 1Cor 12:28 — And God hath set some in the church, first apostles, secondarily prophets, thirdly teachers, after that miracles, then gifts of healings, helps, governments, diversities of tongues.
• 1John 3:4 — Whosoever committeth sin transgresseth also the law: for sin is the transgression of the law.
• 1John 5:14 — And this is the confidence that we have in him, that, if we ask any thing according to his will, he heareth us:
• 1Kgs 17:20 — And he cried unto the LORD, and said, O LORD my God, hast thou also brought evil upon the widow with whom I sojourn, by slaying her son?
• 2Chr 30:18 — For a multitude of the people, even many of Ephraim, and Manasseh, Issachar, and Zebulun, had not cleansed themselves, yet did they eat the passover otherwise than it was written. But Hezekiah prayed
• 2Chr 30:20 — And the LORD hearkened to Hezekiah, and healed the people.
• Gen 18:32 — And he said, Oh let not the LORD be angry, and I will speak yet but this once: Peradventure ten shall be found there. And he said, I will not destroy it for ten’s sake.
• Isa 33:24 — And the inhabitant shall not say, I am sick: the people that dwell therein shall be forgiven their iniquity.
• Jas 1:6 — But let him ask in faith, nothing wavering. For he that wavereth is like a wave of the sea driven with the wind and tossed.
• Jas 5:13 — Is any among you afflicted? let him pray. Is any merry? let him sing psalms.
• Jas 5:16 — Confess your faults one to another, and pray one for another, that ye may be healed. The effectual fervent prayer of a righteous man availeth much.
• Job 22:30 — He shall deliver the island of the innocent: and it is delivered by the pureness of thine hands.
• John 5:14 — Afterward Jesus findeth him in the temple, and said unto him, Behold, thou art made whole: sin no more, lest a worse thing come unto thee.
• John 9:31 — Now we know that God heareth not sinners: but if any man be a worshipper of God, and doeth his will, him he heareth.
• Lev 5:10 — And he shall offer the second for a burnt offering, according to the manner: and the priest shall make an atonement for him for his sin which he hath sinned, and it shall be forgiven him.
• Luke 11:9 — And I say unto you, Ask, and it shall be given you; seek, and ye shall find; knock, and it shall be opened unto you.
• Mark 2:5 — When Jesus saw their faith, he said unto the sick of the palsy, Son, thy sins be forgiven thee.
• Mark 2:5 — When Jesus saw their faith, he said unto the sick of the palsy, Son, thy sins be forgiven thee.
• Mark 9:29 — And he said unto them, This kind can come forth by nothing, but by prayer and fasting.
• Mark 11:22 — And Jesus answering saith unto them, Have faith in God.
• Mark 11:24 — Therefore I say unto you, What things soever ye desire, when ye pray, believe that ye receive them, and ye shall have them.
• Mark 16:17 — And these signs shall follow them that believe; In my name shall they cast out devils; they shall speak with new tongues;
• Matt 6:5 — And when thou prayest, thou shalt not be as the hypocrites are: for they love to pray standing in the synagogues and in the corners of the streets, that they may be seen of men. Verily I say unto you,
• Matt 7:7 — Ask, and it shall be given you; seek, and ye shall find; knock, and it shall be opened unto you:
• Matt 9:2 — And, behold, they brought to him a man sick of the palsy, lying on a bed: and Jesus seeing their faith said unto the sick of the palsy; Son, be of good cheer; thy sins be forgiven thee.
• Matt 17:20 — And Jesus said unto them, Because of your unbelief: for verily I say unto you, If ye have faith as a grain of mustard seed, ye shall say unto this mountain, Remove hence to yonder place; and it shall
• Matt 21:21 — Jesus answered and said unto them, Verily I say unto you, If ye have faith, and doubt not, ye shall not only do this which is done to the fig tree, but also if ye shall say unto this mountain, Be thou
• Num 12:13 — And Moses cried unto the LORD, saying, Heal her now, O God, I beseech thee.
• Num 14:19 — Pardon, I beseech thee, the iniquity of this people according unto the greatness of thy mercy, and as thou hast forgiven this people, from Egypt even until now.
• Prov 29:8 — Scornful men bring a city into a snare: but wise men turn away wrath.
• Ps 41:4 — I said, LORD, be merciful unto me: heal my soul; for I have sinned against thee.
• Ps 103:3 — Who forgiveth all thine iniquities; who healeth all thy diseases;
• Rom 10:14 — How then shall they call on him in whom they have not believed? and how shall they believe in him of whom they have not heard? and how shall they hear without a preacher?
• Rom 12:12 — Rejoicing in hope; patient in tribulation; continuing instant in prayer;