Tree of Life. The tree of life is a fundamental widespread myth or archetype in many of the world's mythologies, religious and philosophical traditions.
   It is closely related to the concept of the sacred tree. The tree of knowledge, connecting to heaven and the underworld, and the tree of life, connecting all forms of creation, are both forms of the world tree or cosmic tree, and are portrayed in various religions and philosophies as the same tree.
   Main article: Trees in mythology Various trees of life are recounted in folklore, culture and fiction, often relating to immortality or fertility. They had their origin in religious symbolism.
   In the Avestan literature and Iranian mythology, there are several sacred vegetal icons related to life, eternality and cure, like: Amesha Spenta Amordad, Gaokerena, Bas tokhmak, Mashyа and Mashyane, Barsom, Haoma, etc. Gaokerena is a large, sacred Haoma planted by Ahura Mazda.
   Ahriman created a frog to invade the tree and destroy it, aiming to prevent all trees from growing on the earth. As a reaction, Ahura Mazda created two kar fish staring at the frog to guard the tree. The two fish are always staring at the frog and stay ready to react to it. Because Ahriman is responsible for all evil including death, while Ahura Mazda is responsible for all good. Haoma is another sacred plant due to the drink made from it. The preparation of the drink from the plant
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