Meaning of faith in healing, lack of faith prevents healing

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Jordan river

FAITH AND HEALING

Mt 8:10 When Jesus heard it, he marveled, and said to them that followed, Truly I say to you, I have not found so great faith, no, not in Israel.
13 And Jesus said to the centurion, Go your way; and as you have believed, so be it done to you. And his servant was healed in the selfsame hour.

9:20 And, behold, a woman, which was diseased with an issue of blood twelve years, came behind him, and touched the hem of his garment:
21 For she said within herself, If I may but touch his garment, I shall be whole.
22 But Jesus turned him about, and when he saw her, he said, Daughter, be of good comfort; your faith has made you whole. And the woman was made whole from that hour.

9:27 And when Jesus departed there, two blind men followed him, crying, and saying, You son of David, have mercy on us.
28 And when he was come into the house, the blind men came to him: and Jesus said to them, Believe you that I am able to do this? They said to him, Yes, Lord.
29 Then touched he their eyes, saying, According to your faith be it to you.
30 And their eyes were opened; and Jesus straightly charged them, saying, See that no man know it.

15:22 And, behold, a woman of Canaan came out of the same coasts, and cried to him, saying, Have mercy on me, O Lord, you son of David; my daughter is grievously vexed with a devil.
23 But he answered her not a word. And his disciples came and sought him, saying, Send her away; for she cries after us.
24 But he answered and said, I am not sent but to the lost sheep of the house of Israel.
25 Then came she and worshipped him, saying, Lord, help me.
26 But he answered and said, It is not meet to take the children’s bread, and to cast it to dogs.
27 And she said, Truth, Lord: yet the dogs eat of the crumbs which fall from their masters’ table.
28 Then Jesus answered and said to her, O woman, great is your faith: be it to you even as you will. And her daughter was made whole from that very hour.

17:14 And when they were come to the multitude, there came to him a certain man, kneeling down to him, and saying,
15 Lord, have mercy on my son: for he is lunatic, and sore vexed: for often he falls into the fire, and oft into the water.
16 And I brought him to your disciples, and they could not cure him.
17 Then Jesus answered and said, O faithless and perverse generation, how long shall I be with you? how long shall I suffer you? bring him here to me.
18 And Jesus rebuked the devil; and he departed out of him: and the child was cured from that very hour.
19 Then came the disciples to Jesus apart, and said, Why could not we cast him out?
20 And Jesus said to them, Because of your unbelief: for truly I say to you, If you have faith as a grain of mustard seed, you shall say to this mountain, Remove hence to yonder place; and it shall remove; and nothing shall be impossible to you.

Mr 5:35 While he yet spoke, there came from the ruler of the synagogue’s house certain which said, Your daughter is dead: why trouble you the Master any further?
36 As soon as Jesus heard the word that was spoken, he said to the ruler of the synagogue, Be not afraid, only believe.

6:4 But Jesus, said to them, A prophet is not without honor, but in his own country, and among his own kin, and in his own house.
5 And he could there do no mighty work, save that he laid his hands on a few sick folk, and healed them.
6 And he marveled because of their unbelief. And he went round about the villages, teaching.

9:22 And often it has cast him into the fire, and into the waters, to destroy him: but if you can do any thing, have compassion on us, and help us.
23 Jesus said to him, If you can believe, all things are possible to him that believes.
24 And straightway the father of the child cried out, and said with tears, Lord, I believe; help you my unbelief.
25 When Jesus saw that the people came running together, he rebuked the foul spirit, saying to him, You dumb and deaf spirit, I charge you, come out of him, and enter no more into him.

16:15 And he said to them, Go you into all the world, and preach the gospel to every creature.
16 He that believes and is baptized shall be saved; but he that believes not shall be damned.
17 And these signs shall follow them that believe; In my name shall they cast out devils; they shall speak with new tongues;
18 They shall take up serpents; and if they drink any deadly thing, it shall not hurt them; they shall lay hands on the sick, and they shall recover.

Joh 11:39 Jesus said, Take you away the stone. Martha, the sister of him that was dead, said to him, Lord, by this time he stinks: for he has been dead four days.
40 Jesus said to her, Said I not to you, that, if you would believe, you should see the glory of God?

14:10 Believe you not that I am in the Father, and the Father in me? the words that I speak to you I speak not of myself: but the Father that dwells in me, he does the works.
11 Believe me that I am in the Father, and the Father in me: or else believe me for the very works’ sake.
12 Truly, truly, I say to you, He that believes on me, the works that I do shall he do also; and greater works than these shall he do; because I go to my Father.

Acts 3:16 And his name through faith in his name has made this man strong, whom you see and know: yes, the faith which is by him has given him this perfect soundness in the presence of you all.

14:8 And there sat a certain man at Lystra, weak in his feet, being a cripple from his mother’s womb, who never had walked:
9 The same heard Paul speak: who steadfastly beholding him, and perceiving that he had faith to be healed,
10 Said with a loud voice, Stand upright on your feet. And he leaped and walked.

Rom 4:18 Who against hope believed in hope, that he might become the father of many nations, according to that which was spoken, So shall your seed be.
19 And being not weak in faith, he considered not his own body now dead, when he was about an hundred years old, neither yet the deadness of Sarah’s womb:
20 He staggered not at the promise of God through unbelief; but was strong in faith, giving glory to God;
21 And being fully persuaded that, what he had promised, he was able also to perform.
22 And therefore it was imputed to him for righteousness.

2 Cor 5:7 (For we walk by faith, not by sight:)

Heb 11:1 Now faith is the substance of things hoped for, the evidence of things not seen.

Jas 5:15 And the prayer of faith shall save the sick, and the Lord shall raise him up; and if he have committed sins, they shall be forgiven him.