'Doctrine' in the Bible

And they continued stedfastly in the apostles' doctrine and fellowship, and in breaking of bread, and in prayers.

“Go, stand and continue to tell the people in the temple [courtyards] the whole message of this Life [the eternal life revealed by Christ and found through faith in Him].”

Saying, Did not we straitly command you that ye should not teach in this name? and, behold, ye have filled Jerusalem with your doctrine, and intend to bring this man's blood upon us.

So in the present case, I say to you, stay away from these men and let them alone, for if this plan or action is of men [merely human in origin], it will fail and be destroyed;

Now those [believers] who had been scattered went from place to place preaching the word [the good news of salvation through Christ].

Now the apostles and the believers who were throughout Judea heard [with astonishment] that the Gentiles also had received and accepted the word of God [the message concerning salvation through Christ].

Then the deputy, when he saw what was done, believed, being astonished at the doctrine of the Lord.

When they had spoken the word [of salvation through faith in Christ] in Perga, they went down to Attalia.

And they spoke the word of the Lord [concerning eternal salvation through faith in Christ] to him and to all who were in his house.

And they took him, and brought him unto Areopagus, saying, May we know what this new doctrine, whereof thou speakest, is?

but since it is merely a question [of doctrine within your religion] about words and names and your own law, see to it yourselves; I am unwilling to judge these matters.”