...it is all in the Bible.
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Even the Bible states that it does not contain all that Jesus said and did.
Adding to the scripture is never a good idea.. it does not say that (even though your church likes to use that to justify "tradition" )
Here is what it does say
"John 21:25 And there are also many other things which Jesus did, the which, if they should be written every one, I suppose that even the world itself could not contain the books that should be written. Amen.
Do you see the difference?
Remember that Satan deceived Eve by ADDING to the scripture...
John 20:30 Jesus PREFORMED many other signs in the presence of his disciples, which are not recorded in this book.