Titus 1:9

holding fast the doctrine according to the faithful word, that he may be able by sound doctrine both to exhort and to convince the gainsayers.

1 Timothy 1:10

for fornicators, for homosexuals, for kidnappers, for liars, for perjured persons, and if there is any other thing that is contrary to sound doctrine,

2 Thessalonians 2:15

Therefore, brethren, stand fast and retain the doctrine which ye have been taught, whether by word or our epistle.

1 Timothy 6:3

If anyone teaches otherwise and does not consent to wholesome words, even the words of our Lord Jesus Christ and to the doctrine which is according to godliness,

2 Timothy 1:13

Hold fast the form of sound words, which thou hast heard of me, in faith and charity which is in Christ Jesus.

1 Timothy 1:15

This is a faithful saying and worthy of acceptation by all, that Christ Jesus came into the world to save sinners, of whom I am first.

Titus 2:1

But speak thou the things which are expedient unto sound doctrine,

Job 2:3

And the LORD said unto Satan, Hast thou considered my slave Job, that there is none like him in the earth, a perfect and an upright man, one that fears God and has departed from evil and that he still retains his perfection, although thou didst incite me against him to destroy him without cause.

Job 27:6

I hold fast to my righteousness and will not let it go; my heart shall not reproach me so long as I live.

Proverbs 23:23

Buy the truth and sell it not, also wisdom and instruction and understanding.

Acts 18:28

for he mightily convinced the Jews in public, showing by the scriptures that Jesus was the Christ.

1 Corinthians 14:24

But if all prophesy, and there come in one that does not believe or one unlearned, he is convinced of all, he is judged of all;

1 Thessalonians 5:21

Examine all things; retain that which is good.

1 Timothy 1:19

holding fast faith and a good conscience, which some, having cast away, have shipwrecked in their faith,

1 Timothy 4:9

The Word is faithful and worthy of acceptation by all.

2 Timothy 2:2

And the things that thou hast heard of me among many witnesses, the same commit thou to faithful men, who shall be able to teach others also.

2 Timothy 2:25

that with meekness they might teach those that resist, if God peradventure will grant unto them that they might repent and know the truth,

2 Timothy 4:3

For the time will come when they will not endure sound doctrine, but, having itching ears, they shall heap up unto themselves teachers who shall speak to them according to their own lusts,

Titus 1:11

whose mouths it is expedient to stop, who subvert whole houses, teaching things which they ought not, for dishonest gain.

Titus 2:7-8

in all things showing thyself as an example of good works, in doctrine showing integrity, seriousness, purity,

Jude 1:3

Beloved, when I gave all diligence to write unto you of the common salvation, it was needful for me to write unto you and exhort you that ye should earnestly persevere in the faith which was given once unto the saints.

Revelation 2:25

But that which ye have already hold fast until I come.

Revelation 3:3

Remember, therefore, of that which thou hast received and heard and hold to it and repent. If therefore thou shalt not watch, I will come to thee as a thief, and thou shalt not know what hour I will come upon thee.

Revelation 3:11

Behold, I come quickly; hold fast that which thou hast, that no one take thy crown.

Treasury of Scripture Knowledge

Summary

Holding fast the faithful word as he hath been taught, that he may be able by sound doctrine both to exhort and to convince the gainsayers.

Bible References

Fast

1 Timothy 1:15
This is a faithful saying and worthy of acceptation by all, that Christ Jesus came into the world to save sinners, of whom I am first.
1 Timothy 4:9
The Word is faithful and worthy of acceptation by all.
1 Timothy 6:3
If anyone teaches otherwise and does not consent to wholesome words, even the words of our Lord Jesus Christ and to the doctrine which is according to godliness,
2 Timothy 2:2
And the things that thou hast heard of me among many witnesses, the same commit thou to faithful men, who shall be able to teach others also.

Sound

Titus 2:1
But speak thou the things which are expedient unto sound doctrine,
1 Timothy 1:10
for fornicators, for homosexuals, for kidnappers, for liars, for perjured persons, and if there is any other thing that is contrary to sound doctrine,
1 Timothy 6:3
If anyone teaches otherwise and does not consent to wholesome words, even the words of our Lord Jesus Christ and to the doctrine which is according to godliness,
2 Timothy 4:3
For the time will come when they will not endure sound doctrine, but, having itching ears, they shall heap up unto themselves teachers who shall speak to them according to their own lusts,

To convince

Titus 1:11
whose mouths it is expedient to stop, who subvert whole houses, teaching things which they ought not, for dishonest gain.
Acts 18:28
for he mightily convinced the Jews in public, showing by the scriptures that Jesus was the Christ.
1 Corinthians 14:24
But if all prophesy, and there come in one that does not believe or one unlearned, he is convinced of all, he is judged of all;
2 Timothy 2:25
that with meekness they might teach those that resist, if God peradventure will grant unto them that they might repent and know the truth,

General references

Leviticus 14:42
and they shall take other stones and put them in the place of the stones that were removed; and he shall take other mortar and shall plaster the house.
Leviticus 15:8
And if the one that has the issue spits upon him that is clean, then he shall wash his clothes and bathe himself in water and be unclean until the evening.
Ezekiel 44:9
Thus hath the Lord GOD said; No son of a stranger, uncircumcised in heart nor uncircumcised in flesh shall enter into my sanctuary, of any sons of strangers that are among the sons of Israel.
Haggai 2:11
Thus hath the LORD of the hosts said; Ask now the priests concerning the law, saying,
Titus 2:1
But speak thou the things which are expedient unto sound doctrine,