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There are very few deaths of the early Christian saints recorded in the New Testament, let alone prayers to those saints. (As a matter of fact, there are very few actual prayers recorded in the New Testament period.)
Your questions do trigger a couple other questions though:
Isn't that is interesting. One would think that if a person truly wants heaven rather than hell as their destiny they would pay attention to what the apostles actually taught.
>>Where in the Bible does it say something has to be in the Bible before you can do it?<<
That's a rather odd question unless what God says is unimportant to you. We all agree that scripture is God's word. The Holy Spirit through Paul said that if someone taught something that the apostles didn't that we were to consider that person accursed by God. I don't know of any other infallible source for what the apostles taught. Do you?
>>Does the Bible explicitly tell you that you can post on the internet? If not, why do you do it?<<
Is that an issue pertaining to salvation and eternal life? If not what's the point of such a frivolous question?
>>Let me refer you to a good document that discusses praying to the saints:<<
I went to the site. I find this statement there. "Prayers are not physical things and cannot be physically offered to God. Thus the saints in heaven are offering our prayers to God mentally." That is straight from Satan. It's a half truth designed to receive.
Prior to the death and resurrection of Christ the people where kept from the throne of God by a veil. Only the High Priest could approach. Upon Christ's death that veil was torn in two. Because of the perfect, once for all sacrifice of Christ we can now go "boldly before the throne of God". We are " clothed with the righteousness of Christ". It's that direct access, as adopted sons, to the Father that Satan through the Catholic Church would have us deny. Thus robbing us of the very thing Christ died for.
Revelation 5:8, where John depicts the saints in heaven offering our prayers to God under the form of "golden bowls full of incense, which are the prayers of the saints."
Revelation 5:8 Douay-Rheims 1899 American Edition (DRA)
And when he had opened the book, the four living creatures, and the four and twenty ancients fell down before the Lamb, having every one of them harps, and golden vials full of odours, which are the prayers of saints:
HMMMmmm... seems like whomever writes Catholic Answers cannot READ Scripture very plainly.
I, for one, do not think that Ancients and Creatures are equal to Catholic saints!
So?
How is that relevant to anything?
I don't see the point of belaboring the obvious: people die.