James 1:6

But let him ask in faith, without any doubting, for he who doubts is like a wave of the sea, driven by the wind and tossed.

Ephesians 4:14

that we may no longer be children, tossed back and forth and carried about with every wind of doctrine, by the trickery of men, in craftiness, after the wiles of error;

Matthew 21:21-22

Jesus answered them, "Most certainly I tell you, if you have faith, and don't doubt, you will not only do what was done to the fig tree, but even if you told this mountain, 'Be taken up and cast into the sea,' it would be done.

Mark 11:22-24

Jesus answered them, "Have faith in God.

1 Timothy 2:8

I desire therefore that the men in every place pray, lifting up holy hands without anger and doubting.

Hebrews 10:23

let us hold fast the confession of our hope without wavering; for he who promised is faithful.

Hebrews 11:6

Without faith it is impossible to be well pleasing to him, for he who comes to God must believe that he exists, and that he is a rewarder of those who seek him.

Hebrews 13:9

Don't be carried away by various and strange teachings, for it is good that the heart be established by grace, not by food, through which those who were so occupied were not benefited.

2 Peter 2:17

These are wells without water, clouds driven by a storm; for whom the blackness of darkness has been reserved forever.

Jude 1:12-13

These are hidden rocky reefs in your love feasts when they feast with you, shepherds who without fear feed themselves; clouds without water, carried along by winds; autumn leaves without fruit, twice dead, plucked up by the roots;

Genesis 49:4

Boiling over as water, you shall not excel; because you went up to your father's bed, then defiled it. He went up to my couch.

Treasury of Scripture Knowledge

Summary

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.

Bible References

Let

Matthew 21:22
All things, whatever you ask in prayer, believing, you will receive."
Mark 11:22
Jesus answered them, "Have faith in God.
1 Timothy 2:8
I desire therefore that the men in every place pray, lifting up holy hands without anger and doubting.
Hebrews 11:6
Without faith it is impossible to be well pleasing to him, for he who comes to God must believe that he exists, and that he is a rewarder of those who seek him.

He

Genesis 49:4
Boiling over as water, you shall not excel; because you went up to your father's bed, then defiled it. He went up to my couch.
Ephesians 4:14
that we may no longer be children, tossed back and forth and carried about with every wind of doctrine, by the trickery of men, in craftiness, after the wiles of error;
Hebrews 10:23
let us hold fast the confession of our hope without wavering; for he who promised is faithful.
Hebrews 13:9
Don't be carried away by various and strange teachings, for it is good that the heart be established by grace, not by food, through which those who were so occupied were not benefited.
2 Peter 2:17
These are wells without water, clouds driven by a storm; for whom the blackness of darkness has been reserved forever.
Jude 1:12
These are hidden rocky reefs in your love feasts when they feast with you, shepherds who without fear feed themselves; clouds without water, carried along by winds; autumn leaves without fruit, twice dead, plucked up by the roots;