James 1:6

Only, let him ask in faith, with never a doubt; for the doubtful man is like surge of the sea whirled and swayed by the wind;

Matthew 21:21-22

Jesus answered, "I tell you truly, if you have faith, if you have no doubt, you will not only do what has been done to the fig tree but even if you say to this hill, 'Take and throw yourself into the sea,' it will be done.

Mark 11:22-24

Jesus answered them, "Have faith in God!

1 Timothy 2:8

Now I want the men to offer prayer at any meeting of the church; and let the hands they lift to heaven be holy ??they must be free from anger and dissension.

Hebrews 10:23

let us hold the hope we avow without wavering (for we can rely on him who gave us the Promise);

Hebrews 11:6

and apart from faith it is impossible to satisfy him, for the man who draws near to God must believe that he exists and that he does reward those who seek him.

Hebrews 13:9

Never let yourselves be carried away with a variety of novel doctrines; for the right thing is to have one's heart strengthened by grace, not by the eating of food ??that has never been any use to those who have had recourse to it.

2 Peter 2:17

These people are waterless fountains and mists driven by a squall, for whom the nether gloom of darkness is reserved.

Jude 1:12-13

These people are stains on your love-feasts; they have no qualms about carousing in your midst, they look after none but themselves ??rainless clouds, swept along by the wind, trees in autumn without fruit, doubly dead and so uprooted,

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 that ever you ask in prayer you shall have, if you believe."
Mark 11:22
Jesus answered them, "Have faith in God!
1 Timothy 2:8
Now I want the men to offer prayer at any meeting of the church; and let the hands they lift to heaven be holy ??they must be free from anger and dissension.
Hebrews 11:6
and apart from faith it is impossible to satisfy him, for the man who draws near to God must believe that he exists and that he does reward those who seek him.

He

Hebrews 10:23
let us hold the hope we avow without wavering (for we can rely on him who gave us the Promise);
Hebrews 13:9
Never let yourselves be carried away with a variety of novel doctrines; for the right thing is to have one's heart strengthened by grace, not by the eating of food ??that has never been any use to those who have had recourse to it.
2 Peter 2:17
These people are waterless fountains and mists driven by a squall, for whom the nether gloom of darkness is reserved.
Jude 1:12
These people are stains on your love-feasts; they have no qualms about carousing in your midst, they look after none but themselves ??rainless clouds, swept along by the wind, trees in autumn without fruit, doubly dead and so uprooted,