Tim talks about the Bible. If you want to get into reading the Bible regularly, see https://bibleinoneyear.org/en/
For help choosing a Bible, go to https://www.biblesociety.org.uk/explore-the-bible/which-is-the-best-bible-translation/
To investigate if the Bible is reliable, check out: https://www.bethinking.org/is-the-bible-reliable
For further preaching on the topic, see https://www.desiringgod.org/topics/the-bible