"The Zayin is shaped like a sword and is the symbol of spirit, sustenance, and struggle. It represents the 7th day of Shabbat (Sabbath), the day of rest and spirituality, which completes the process of the 6 days of creation. It includes the six days and six directions of physical reality, but also stands as a unique 7th principle or energy, the spirit which activates the physical. The Zayin is the source of all movement. It is an impregnating principle, which activates the creation. Zayin is...