Hatha yoga postures come in numerous forms. For a beginner, states the historian of religion Mircea Eliade, these "asanas" are uncomfortable, typically difficult, cause the body shakes and typically unbearable to hold for extended periods of time. However, with repetition and persistence, as the muscle tone improves, the effort reduces and posture improves. According to the Hatha yoga texts, each posture becomes perfect when the "effort disappears", one no longer thinks about the posture and one's body position, breathes normally per "pranayama", and is able to dwell in one's meditation ("anantasamapattibhyam"). The "asanas" discussed in different Hatha yoga texts vary significantly. Unlike
Karma in Hinduism Although souls alone have the freedom and responsibility for their acts and thus reap the fruits of karma, i.e., good and evil karma, God as Vishnu, is the supreme Enforcer of karma, by acting as the Sanctioner (Anumanta) and the Overseer (Upadrasta). According to Ramanuja, all jivas are burdened with their load of Karma, which gives them only enjoyments and sufferings, but also desires and tendencies to act in particular ways; although the moral responsibility accrues only to the Jiva, as he acts according to the tendencies and deserts he has acquired by his karma, Ramanuja believes that God wills