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 dispassionate reaction. Not all karmas rebound immediately. Some accumulate and return unexpectedly in this or other lifetimes. Human beings are said to produce karma in four ways: Everything that we have ever thought, spoken, done or caused is karma, as is also that which we think, speak or do this very moment. Hindu scriptures divide karma into three kinds: Some believe that only human beings who can distinguish right from wrong can do (kriyamana) karma. Therefore, animals and young children are considered incapable of creating new karma (and thus cannot affect their future destinies) as they are incapable of discriminating