2 Timothy 1:13
Hold the pattern of sound words which you have heard from me, in faith and love which is in Christ Jesus.
1 Timothy 4:6
If you instruct the brothers of these things, you will be a good servant of Christ Jesus, nourished in the words of the faith, and of the good doctrine which you have followed.
for I give you sound learning. Don't forsake my law.
For you say, 'My doctrine is pure. I am clean in your eyes.'
The law of truth was in his mouth, and unrighteousness was not found in his lips. He walked with me in peace and uprightness, and turned many away from iniquity.
that you might know the certainty concerning the things in which you were instructed.
1 Timothy 1:10
for the sexually immoral, for homosexuals, for slave-traders, for liars, for perjurers, and for any other thing contrary to the sound doctrine;
1 Timothy 6:3
If anyone teaches a different doctrine, and doesn't consent to sound words, 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 listen to the sound doctrine, but, having itching ears, will heap up for themselves teachers after their own lusts;
holding to the faithful word which is according to the teaching, that he may be able to exhort in the sound doctrine, and to convict those who contradict him.
They continued steadfastly in the apostles' teaching and fellowship, in the breaking of bread, and prayer.
But say the things which fit sound doctrine,
in all things showing yourself an example of good works; in your teaching showing integrity, seriousness, incorruptibility,
not stealing, but showing all good fidelity; that they may adorn the doctrine of God, our Savior, in all things.
Jesus therefore answered them, "My teaching is not mine, but his who sent me.
If anyone desires to do his will, he will know about the teaching, whether it is from God, or if I am speaking from myself.
2 John 1:9
Whoever transgresses and doesn't remain in the teaching of Christ, doesn't have God. He who remains in the teaching, the same has both the Father and the Son.