If one wishes to attain what he desires through the use of God's Names, he must first study the Torah with all this might, so that he can grasp the meaning of everyone of God's Names mentioned in the Torah. These names are Ehyeh (אֶהְיֶה), Yah (יָהּ), YHVH (יהוה), Adonoy (אֲדֹנָי), El (אֵל), Elo'ah (אֱלוֹהַּ), Elohim (אֱלֹהִים), Shadai (שַׁדַּי), and Tzevaot (צְבָאוֹת). … When a person contemplates these Names, he will find that the entire Torah and all the commandments depend on them. If one knows the meaning of all these Names, he will understand the greatness of He who spoke and brought the universe into being.