The document discusses that the Bible is the most reliable source for truth about the future because: 1) The Bible claims authority as the word of God and was authored by men who spoke from God. 2) The Bible has the greatest reliability based on the number of manuscripts and how close they are to the originals, as well as being correct archaeologically and scientifically. 3) The Bible has 100% accuracy in prophecies about Christ and the destruction of Tyre and Sidon, demonstrating it can foretell the future. Studying end times helps believers prepare for Christ's return and eternity.