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 This effect may be material, moral or emotional — that is, one's karma affects one's happiness and unhappiness. The effect of karma need not be immediate; the effect of karma can be later in one's current life, and in some schools it extends to future lives. The consequence or effects of one's karma can be described in two forms: "phalas" and "samskaras". A "phala" (literally, fruit or result) is the visible or invisible effect that is typically immediate or within the current life. In contrast, "samskaras" are invisible effects, produced inside the actor because of the karma, transforming the agent