What is the role of 'light' in the Written "Torah", the Oral Tradition, Kabbalah and Chassidic teachings? What is 'the light of God' and how is light connected to holiness, purity and love? What are the intriguing patterns and a tantalizing paradoxes that weave their way throughout the biblical and rabbinical usage of the word 'light'. The author explains how 'light' in the Jewish tradition is a magnet for notions of duality and unity. The gemartria of light equals 207. It is literally the mirror image of Shabbat which equals 702! Light seemingly possesses no material substance, yet it is all pervasive and all encompassing when manifest.