I commend you because you remember me in everything and maintain the traditions even as I have delivered them to you - 1 Corinthians 11:2
So then, brethren, stand firm and hold to the traditions which you were taught by us, either by word of mouth or by letter - 2 Thessalonians 2:15
Now we command you, brethren, in the name of our Lord Jesus Christ, that you keep away from any brother who is walking in idleness and not in accord with the tradition that you received from us - 2 Thessalonians 3:6
John says there are many things Jesus said and did that are not written - John 21:25
First of all you must understand this, that no prophecy of Scripture is a matter of one’s own interpretation - 2 Peter 1:20