Hatha yoga of "Hatha yoga pradipika", "Siddhasana" is the most suitable and easiest posture to learn breathing exercises. The different Hatha yoga texts discuss "pranayama" in various ways. For example, "Hatha yoga pradipka" in section 2.71 explains it as a threefold practice: "recaka" (exhalation), "puraka" (inhalation) and "kumbhaka" (retention). During the exhalation and inhalation, the text states that three things move: air, prana and yogi's thoughts, and all three are intimately connected. It is "kumbhaka" where stillness and dissolution emerges. The text divides "kumbhaka" into two kinds: "sahita" (supported) and "kevala" (complete). "Sahita kumbhaka" is further sub-divided into two types: retention with
Karma in the current life, as well as the nature and quality of future lives - one's "saṃsāra". "Karma" is the executed "deed", "work", "action", or "act", and it is also the "object", the "intent". Wilhelm Halbfass explains karma (karman) by contrasting it with another Sanskrit word "kriya". The word "kriya" is the activity along with the steps and effort in action, while "karma" is (1) the executed action as a consequence of that activity, as well as (2) the intention of the actor behind an executed action or a planned action (described by some scholars as metaphysical residue left in