"The Bible has changed down through the ages."
No, it hasn’t. God has preserved His Word. In the spring of 1947, the Dead Sea Scrolls were discovered. These manuscripts were copies of large portions of the Old Testament, a thousand years older than any other existing copies. Study of the scrolls has revealed that the Bible hasn’t changed in content down through the ages as many skeptics had surmised. (See 1 Peter 1:25 footnote.)
Anyone can now obtain access to computer programs that give the original Hebrew and Greek words, and the only "changes" have been made for clarity. For example, the old English translation of 2 Corinthians 12:8 is "For this thing I besought the Lord thrice ...," while a contemporary translation is "Concerning this thing I pleaded with the Lord three times..."