Well, then that explains it, although lots of people who grew up in a Bible believing family have flat out rejected Christianity and the Bible.
We humans are all different in how we see things.
As I said above, we humans are all different in how we see things, so not all Baha'is view the Bible in the same way.
Baha'i views of the Bible vary widely. My views lie in the middle area, although more and more I am leaning towards the liberal, scholarly view.
Introduction
Although Bahá'ís universally share a great respect for the Bible, and acknowledge its status as sacred literature, their individual views about its authoritative status range along the full spectrum of possibilities. At one end there are those who assume the uncritical evangelical or fundamentalist-Christian view that the Bible is wholly and indisputably the word of God. At the other end are Bahá'ís attracted to the liberal, scholarly conclusion that the Bible is no more than a product of complex historical and human forces. Between these extremes is the possibility that the Bible contains the Word of God, but only in a particular sense of the phrase 'Word of God' or in particular texts. I hope to show that a Bahá'í view must lie in this middle area, and can be defined to some degree.
Conclusion
The Bahá'í viewpoint proposed by this essay has been established as follows: The Bible is a reliable source of Divine guidance and salvation, and rightly regarded as a sacred and holy book. However, as a collection of the writings of independent and human authors, it is not necessarily historically accurate. Nor can the words of its writers, although inspired, be strictly defined as 'The Word of God' in the way the original words of Moses and Jesus could have been. Instead there is an area of continuing interest for Bahá'í scholars, possibly involving the creation of new categories for defining authoritative religious literature.
A Baháí View of the Bible
I agree with his conclusion, although I am not sure I believe that the words of the Bible writers were divinely inspired. Moreover, I believe that some of what is written in the Bible is patently false, so in my mind that could not have been divinely inspired, since God does not inspire falsehoods, only truth.
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As for the Qur'an Baha'is universally view it as authentic and accurate.
From Letters Written on Behalf of the Guardian:
When 'Abdu'l-Bahá states we believe what is in the Bible, He means in substance. Not that we believe every word of it to be taken literally or that every word is the authentic saying of the Prophet.
(11 February 1944 to an individual believer)
We cannot be sure of the authenticity of any of the phrases in the Old or the New Testament.
What we can be sure of is when such references or words are cited or quoted in either the Quran or the Bahá'í writings.
(4 July 1947 to an individual believer)
From letters written on behalf of the Universal House of Justice:
...The Bahá'ís believe that God's Revelation is under His care and protection and that the essence, or essential elements, of what His Manifestations intended to convey has been recorded and preserved in Their Holy Books. However, as the sayings of the ancient Prophets were written down some time later, we cannot categorically state, as we do in the case of the Writings of Bahá'u'lláh, that the words and phrases attributed to Them are Their exact words.
(9 August 1984 to an individual believer)
The Bible: Extracts on the Old and New Testaments