The right choice is that the Bible alone is God's holy and true Word. Another source of external evidence is the personal experience of those who have been changed by the Bible. There are noticeable differences in the life of a person who has placed his trust in the Lord Jesus Christ and who walks according to His Word, the Bible. In other words, the Bible can do for believers what it claims it can do. All of these things are part of the experience of a believer.
Believers experience a new life which is evidenced by the fact that they can sacrifice for others.
Believers experience a new life which is evidenced by the fact that they can overcome their fears because they rest in the Lord rather than in a vain hope that somehow things will work out all right. A person who trusts in the Bible has the personal spiritual experience to know that the promises of the Bible are more than just poetry, they are real and testify to his heart that his trust in the Bible is not misplaced. There are facts inside the Bible that demonstrate it is a reliable and trustworthy source of information. The Bible claims that it is from God. The total number of human authors is at least forty.