Rambam - Book of Knowledge - Fundamental Laws of the Torah - Chapter 1

This is the first book of the Mishneh Torah of the Rambam, Rabbi Moshe ben Maimon. Laws of the Foundations of the Torah.
This chapter explains that there is a primary existence, which is the Lord of all the earth, and that He alone exists. He is neither a body nor a force acting upon a body. It also explains why the words "hand," "eye," and "ear" are written in the Torah concerning God. Furthermore, it explains why Moses asked God, "Show Your glory.".