He didn't; and Isaac married only once. He married Rebecca and never had another wife. (You probably meant to ask about Jacob.)
The Bible verse says that only God knows when we will die.
No the bible does not allow it.
None of the copyists errors that crept into the Holy Bible change God's message. Still, they let you know that while the Bible is true it is not perfect. God does not want you to worship the Bible. God wants you to worship him. If people thought the Bible was perfect, they might worship the Bible instead of worshipping God.
If you value the word of God then you will abstain from sex until you are married.
Yes, in the Bible, there are instances where God allowed certain individuals to have multiple wives, such as King Solomon and other figures in the Old Testament.
The Holy Bible is directly inspired from God. The Christians want scripture directly from God because Christians love God.
Maya is not a god! there is only one God, the God of the Bible.
Only God knows.
In the bible it is said Moses saw Gods back only.
God does not say anything in the Bible, not even if she was married or not (Barak was not her husband.) It does say in the Bible that Deborah is married, read Judges 4:4, you will see that her husbands name is Lapidoth.
Because there is, it was in the bible and the quran, so there is only one god. But some people think that there is no god... I dunno.