Titus 1:9

Holding fast the faithful word as he has been taught, that he may be able by sound doctrine both to exhort and to refute the opposition.

1 Timothy 1:10

For fornicators, for homosexuals, for slave traders, for liars, for perjurers, and if there be any other thing that is contrary to sound doctrine;

2 Thessalonians 2:15

Therefore, brethren, stand fast, and hold the traditions which you have been taught, whether by word, or our epistle.

1 Timothy 6:3

If any man teach otherwise, and consent not 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 pattern of sound words, which you have heard of me, in faith and love which is in Christ Jesus.

1 Timothy 1:15

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

Titus 2:1

But you speak the things which become sound doctrine:

Job 2:3

And the LORD said unto Satan, Have you considered my servant Job, that there is none like him in the earth, a blameless and an upright man, one that fears God, and turns away from evil? and still he holds fast his integrity, although you moved me against him, to destroy him without cause.

Job 27:6

My righteousness I hold fast, 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, and that publicly, showing by the scriptures that Jesus was the Christ.

1 Corinthians 14:24

But if all prophesy, and there come in one that believes not, or one unlearned, he is convicted of all, he is judged of all:

1 Thessalonians 5:21

Test all things; hold fast that which is good.

1 Timothy 1:19

Holding faith, and a good conscience; which some having put away concerning faith have made it shipwreck:

1 Timothy 4:9

This is a faithful saying and worthy of all acceptance.

2 Timothy 2:2

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

2 Timothy 2:25

In meekness instructing those that oppose them; if God perhaps will give them repentance to the acknowledging of the truth;

2 Timothy 4:3

For the time will come when they will not endure sound doctrine; but after their own lusts shall they draw to themselves teachers, having itching ears;

Titus 1:11

Whose mouths must be stopped, who ruin whole households, teaching things which they ought not, for dishonest gain.

Titus 2:7-8

In all things showing yourself a pattern of good works: in doctrine showing incorruptness, gravity, sincerity,

Jude 1:3

Beloved, when I gave all diligence to write unto you of the common salvation, it was necessary for me to write unto you, and exhort you that you should earnestly contend for the faith which was once delivered unto the saints.

Revelation 2:25

But that which you have already hold fast till I come.

Revelation 3:3

Remember therefore how you have received and heard, and hold fast, and repent. If therefore you will not watch, I will come on you as a thief, and you will not know what hour I will come upon you.

Revelation 3:11

Behold, I come quickly: hold that fast which you have, that no man take your 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 all acceptance, that Christ Jesus came into the world to save sinners; of whom I am chief.
1 Timothy 4:9
This is a faithful saying and worthy of all acceptance.
1 Timothy 6:3
If any man teach otherwise, and consent not 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 you have heard of me among many witnesses, the same commit to faithful men, who shall be able to teach others also.

Sound

Titus 2:1
But you speak the things which become sound doctrine:
1 Timothy 1:10
For fornicators, for homosexuals, for slave traders, for liars, for perjurers, and if there be any other thing that is contrary to sound doctrine;
1 Timothy 6:3
If any man teach otherwise, and consent not 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 after their own lusts shall they draw to themselves teachers, having itching ears;

To convince

Titus 1:11
Whose mouths must be stopped, who ruin whole households, teaching things which they ought not, for dishonest gain.
Acts 18:28
For he mightily convinced the Jews, and that publicly, showing by the scriptures that Jesus was the Christ.
1 Corinthians 14:24
But if all prophesy, and there come in one that believes not, or one unlearned, he is convicted of all, he is judged of all:
2 Timothy 2:25
In meekness instructing those that oppose them; if God perhaps will give them repentance to the acknowledging of the truth;

General references

Leviticus 14:42
And they shall take other stones, and put them in the place of those stones; and he shall take other mortar, and shall plaster the house.
Leviticus 15:8
And if he that has the discharge 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 says the Lord GOD; No foreigner, uncircumcised in heart, nor uncircumcised in flesh, shall enter into my sanctuary, of any foreigner that is among the children of Israel.
Haggai 2:11
Thus says the LORD of hosts; Ask now the priests concerning the law, saying,
Titus 2:1
But you speak the things which become sound doctrine: