Hebrews 10:23

Let us hold fast the confession of our hope without wavering, for He who promised is faithful;

1 Corinthians 1:9

God is faithful, through whom you were called into fellowship with His Son, Jesus Christ our Lord.

Hebrews 3:6

but Christ was faithful as a Son over His house—whose house we are, if we hold fast our confidence and the boast of our hope firm until the end.

Hebrews 11:11

By faith even Sarah herself received ability to conceive, even beyond the proper time of life, since she considered Him faithful who had promised.

1 Corinthians 10:13

No temptation has overtaken you but such as is common to man; and God is faithful, who will not allow you to be tempted beyond what you are able, but with the temptation will provide the way of escape also, so that you will be able to endure it.

Hebrews 4:14

Therefore, since we have a great high priest who has passed through the heavens, Jesus the Son of God, let us hold fast our confession.

1 Thessalonians 5:24

Faithful is He who calls you, and He also will bring it to pass.

2 Thessalonians 3:3

But the Lord is faithful, and He will strengthen and protect you from the evil one.

Titus 1:2

in the hope of eternal life, which God, who cannot lie, promised long ages ago,

Hebrews 3:14

For we have become partakers of Christ, if we hold fast the beginning of our assurance firm until the end,

Hebrews 6:18

so that by two unchangeable things in which it is impossible for God to lie, we who have taken refuge would have strong encouragement to take hold of the hope set before us.

James 1:6

But he must ask in faith without any doubting, for the one who doubts is like the surf of the sea, driven and tossed by the wind.

Revelation 3:11

I am coming quickly; hold fast what you have, so that no one will take your crown.

Treasury of Scripture Knowledge

Summary

Let us hold fast the profession of our faith without wavering; (for he is faithful that promised;)

Wavering

General references

Bible References

Wavering

James 1:6
But he must ask in faith without any doubting, for the one who doubts is like the surf of the sea, driven and tossed by the wind.

For

Hebrews 6:18
so that by two unchangeable things in which it is impossible for God to lie, we who have taken refuge would have strong encouragement to take hold of the hope set before us.
Hebrews 11:11
By faith even Sarah herself received ability to conceive, even beyond the proper time of life, since she considered Him faithful who had promised.
1 Corinthians 1:9
God is faithful, through whom you were called into fellowship with His Son, Jesus Christ our Lord.
1 Corinthians 10:13
No temptation has overtaken you but such as is common to man; and God is faithful, who will not allow you to be tempted beyond what you are able, but with the temptation will provide the way of escape also, so that you will be able to endure it.
1 Thessalonians 5:24
Faithful is He who calls you, and He also will bring it to pass.
2 Thessalonians 3:3
But the Lord is faithful, and He will strengthen and protect you from the evil one.
Titus 1:2
in the hope of eternal life, which God, who cannot lie, promised long ages ago,

General references

Mark 15:38
And the veil of the temple was torn in two from top to bottom.