Important Indian philosophical concepts include dharma, karma, samsara, moksha and ahimsa. Moksha means liberation or release from samsara, the cycle of rebirth. Liberation from samsara through moksha is believed to ensure lasting happiness and peace. They laid stress on philosophical concepts like Ahimsa, Karma, Jnana, Samsara and Moksa. "samsara" (principle of rebirth, reincarnation). The shape symbolizes eternal cycling, a theme found in samsara doctrine of Buddhism. Devas are mortal and subject to samsara. In Theravada Buddhism the emphasis is on one's own liberation from samsara. It is also described as a "not turning back" from both samsara and nirvana. The Buddha is pointing to the moon, indicating that liberation from samsara is possible. This is consistent with the concept of "samsara" found throughout Hindu and Buddhist beliefs. Storl (2004) also refers to the ouroboros image in reference to the "cycle of samsara". "Samsara" originated with religious movements in the first millennium BCE. Fricke and Magidson began filming "Samsara" the following year. Modeus/Samsara and Plutonian travel to Sky City with a magical gem.