Does God Exist?

The topic I've chosen to discuss is whether God exists. I am an Atheist. This is mainly because there has not yet been any scientific proof of God's existence and I think this is all mythical. In other words, I do not believe in God for the very same reasons that I do not believe in Santa Claus.
The belief of God began many millions of years ago, when he supposedly created the world. Throughout the centuries, I doubt that the true story of how he came about still remains the same. When God created humans, animals, water and land in just seven days, he didn't supply a pen and paper for people to jot down the method of his marvellous masterpiece. Even if he did, humans would have yet to figure out how to use them. …