Titus 3:8

This is a faithful and trustworthy saying; and concerning these things I want you to speak with great confidence, so that those who have believed God [that is, those who have trusted in, relied on, and accepted Christ Jesus as Savior,] will be careful to participate in doing good and honorable things. These things are excellent [in themselves] and profitable for the people.

1 Timothy 1:15

This is a faithful and trustworthy statement, deserving full acceptance and approval, that Christ Jesus came into the world to save sinners, among whom I am foremost.

Titus 2:14

who [willingly] gave Himself [to be crucified] on our behalf to redeem us and purchase our freedom from all wickedness, and to purify for Himself a chosen and very special people to be His own possession, who are enthusiastic for doing what is good.

Titus 3:14

Our people must learn to do good deeds to meet necessary demands [whatever the occasion may require], so that they will not be unproductive.

Psalm 16:2-3


I said to the Lord, “You are my Lord;
I have no good besides You.”

Romans 4:5

But to the one who does not work [that is, the one who does not try to earn his salvation by doing good], but believes and completely trusts in Him who justifies the ungodly, his faith is credited to him as righteousness (right standing with God).

Job 22:2


“Can a vigorous man be of use to God,
Or a wise man be useful to himself?

Job 35:7-8


“If you are righteous, what do you give God,
Or what does He receive from your hand?

Psalm 78:22


Because they did not believe in God [they did not rely on Him, they did not adhere to Him],
And they did not trust in His salvation (His power to save).

Proverbs 21:28


A false witness will perish,
But a man who listens to the truth will speak forever and go unchallenged.

John 5:24

“I assure you and most solemnly say to you, the person who hears My word [the one who heeds My message], and believes and trusts in Him who sent Me, has (possesses now) eternal life [that is, eternal life actually begins—the believer is transformed], and does not come into judgment and condemnation, but has passed [over] from death into life.

John 12:44

But Jesus loudly declared, “The one who believes and trusts in Me does not believe [only] in Me but [also believes] in Him who sent Me.

Acts 12:15

They said to her, “You are out of your mind!” But she kept insisting that it was so. They kept saying, “It is his angel!”

2 Corinthians 4:13

Yet we have the same spirit of faith as he had, who wrote in Scripture, “I believed, therefore I spoke.” We also believe, therefore we also speak,

2 Corinthians 9:12-15

For the ministry of this service (offering) is not only supplying the needs of the saints (God’s people), but is also overflowing through many expressions of thanksgiving to God.

Titus 1:9

He must hold firmly to the trustworthy word [of God] as it was taught to him, so that he will be able both to give accurate instruction in sound [reliable, error-free] doctrine and to refute those who contradict [it by explaining their error].

Titus 3:1

Remind people to be subject to rulers and authorities, to be obedient, to be ready and willing to do good,

1 Peter 1:21

and through Him you believe [confidently] in God [the heavenly Father], who raised Him from the dead and gave Him glory, so that your faith and hope are [centered and rest] in God.

1 John 5:10-13

The one who believes in the Son of God [who adheres to, trusts in, and relies confidently on Him as Savior] has the testimony within himself [because he can speak authoritatively about Christ from his own personal experience]. The one who does not believe God [in this way] has made Him [out to be] a liar, because he has not believed in the evidence that God has given regarding His Son.

Treasury of Scripture Knowledge

Summary

This is a faithful saying, and these things I will that thou affirm constantly, that they which have believed in God might be careful to maintain good works. These things are good and profitable unto men.

Bible References

A faithful

Titus 1:9
He must hold firmly to the trustworthy word [of God] as it was taught to him, so that he will be able both to give accurate instruction in sound [reliable, error-free] doctrine and to refute those who contradict [it by explaining their error].
1 Timothy 1:15
This is a faithful and trustworthy statement, deserving full acceptance and approval, that Christ Jesus came into the world to save sinners, among whom I am foremost.

That thou

Proverbs 21:28

A false witness will perish,
But a man who listens to the truth will speak forever and go unchallenged.
Acts 12:15
They said to her, “You are out of your mind!” But she kept insisting that it was so. They kept saying, “It is his angel!”
2 Corinthians 4:13
Yet we have the same spirit of faith as he had, who wrote in Scripture, “I believed, therefore I spoke.” We also believe, therefore we also speak,

Which

Psalm 78:22

Because they did not believe in God [they did not rely on Him, they did not adhere to Him],
And they did not trust in His salvation (His power to save).
John 5:24
“I assure you and most solemnly say to you, the person who hears My word [the one who heeds My message], and believes and trusts in Him who sent Me, has (possesses now) eternal life [that is, eternal life actually begins—the believer is transformed], and does not come into judgment and condemnation, but has passed [over] from death into life.
John 12:44
But Jesus loudly declared, “The one who believes and trusts in Me does not believe [only] in Me but [also believes] in Him who sent Me.
Romans 4:5
But to the one who does not work [that is, the one who does not try to earn his salvation by doing good], but believes and completely trusts in Him who justifies the ungodly, his faith is credited to him as righteousness (right standing with God).
1 Peter 1:21
and through Him you believe [confidently] in God [the heavenly Father], who raised Him from the dead and gave Him glory, so that your faith and hope are [centered and rest] in God.
1 John 5:10
The one who believes in the Son of God [who adheres to, trusts in, and relies confidently on Him as Savior] has the testimony within himself [because he can speak authoritatively about Christ from his own personal experience]. The one who does not believe God [in this way] has made Him [out to be] a liar, because he has not believed in the evidence that God has given regarding His Son.

Be

Titus 3:1
Remind people to be subject to rulers and authorities, to be obedient, to be ready and willing to do good,
Titus 2:14
who [willingly] gave Himself [to be crucified] on our behalf to redeem us and purchase our freedom from all wickedness, and to purify for Himself a chosen and very special people to be His own possession, who are enthusiastic for doing what is good.

General references

Deuteronomy 6:17
You shall diligently keep [foremost in your thoughts and actively do] the commandments of the Lord your God, and His testimonies and His statutes which He has commanded you.
1 Timothy 4:11
Keep commanding and teaching these things.
Titus 2:1
But as for you, teach the things which are in agreement with sound doctrine [which produces men and women of good character whose lifestyle identifies them as true Christians].