Theology is simply the study of God and God’s relation to the world. Theology is essential to life, both eternal life…
John 17.3: And this is life eternal, that they might know thee the only true God, and Jesus Christ, whom thou hast sent.
…and daily life.
2Timothy 3.16-17: All scripture is given by inspiration of God, and is profitable for doctrine, for reproof, for correction, for instruction in righteousness: That the man of God may be perfect, thoroughly furnished unto all good works.
There is nothing more important than your eternal life–your salvation! In 100 years none of us who are reading this will be alive. Where will you spend eternity?
If you are a Christian, the most important thing you can do to glorify God and enjoy Him forever is to learn the Bible and do what it says. Here are some simple suggestions on a basic system of Bible study that will help any Christian grow in the faith:
If you read just four pages a day, you can read through the Bible in one year (and then do again next year!).
I'm just a normal guy with a normal job. In my spare time I like to study my Bible, preach on the street, and preach or teach in a church when I'm invited. That's it.