Jnana yoga different paths to liberation, "jnana marga" and "karma marga" are the more ancient, traceable to Vedic era literature. All three paths are available to any Hindu, chosen based on inclination, aptitude and personal preference, and typically elements of all three to varying degrees are practiced by many Hindus. The classical yoga emphasizes the practice of dhyana (meditation), and this is a part of all three classical paths in Hinduism, including "jñāna yoga". The path of knowledge is intended for those who prefer philosophical reflection and it requires study and meditation. In the Upanishads, "'jnana yoga" aims at the realization of
Karma that it makes karma as violable, contingent and unable to address the problem of evil. Arthur Herman states that karma-transmigration theory solves all three historical formulations to the problem of evil while acknowledging the theodicy insights of Sankara and Ramanuja. Some theistic Indian religions, such as Sikhism, suggest evil and suffering are a human phenomenon and arises from the karma of individuals. In other theistic schools such as those in Hinduism, particularly its Nyaya school, karma is combined with dharma and evil is explained as arising from human actions and intent that is in conflict with dharma. In nontheistic religions