Does god every speak directly to you in words? If not, how could you assume anyone at all has heard his voice? Who is to say that coincidences can be called divine?

To me? No. But back in the time when the Bible was written, God used to not only speak to people himself, such as Adam and Eve and Moses, but he also spoke directly through prophets. The reason people can safely assume this is because it is written in the Bible, which is the true word, and the Bible has been backed up by scientists to be true. Honestly, though, for people like me, who don't know much about anything, all we can do is have faith. Because without faith, there really is no religion at all.

How can you say the bible is backed by scientists when the bible makes claims like "the Earth is a circle" and that light was created before a sun was even created? The bible also claims the moon to be a source of light when we know otherwise...

Okay first, i'll admit, I haven't read the entire Bible cover-to-cover, i've only been a christian for about 2 years now. However, there's a book you can read called "A Case for a Creator" that has a lot of evidence to prove the existence of God and Jesus. You seem to have a lot of reason for what you believe, and I commend you for that. I don't plan to convert you or anything. I just know what I feel, what i've been taught, and what i've come to love and understand as a Christian.