Ahimsa or Harmlessness: Ahimsa means following a pathaway from violence. Not to injure, showcruelty, harass or harm any one or anybody's feelings. It promotes to live a life full of kindness, friendliness and giving others a thoughtful consideration by introspecting and destroying negative and destructive thoughts from our minds.
Satya or Truthfullness: This Yama means to speak external cleaning of one self. External cleanliness refers to personal hygiene, while internal cleanliness indicates maintaining a healthy body and mind, with positive thinking. Cleanliness of mind is achieved by the removal of mental impurities, such as jealousy, pride, angerandsoon. On the other hand, the purity of body is attained not only by cleaning one's body parts, but also by consuming nutritious foods and following a vegetarian diet.
Santosa or Contentment: The second Niyam of Santosa implies curbing the desire, anger, greed and ambition. This Niyam stands for contentment i.e. accepting the truth as it is. That means without complaining or grieving we should accept the things and situations as the yare. Santosa refers to control the extreme of emotions and taking, accepting and admiring the things in the way they are without having the greed to get or have more of someone or something.
Tapas or Austerity: The third Niyam of Tapas is directed at making our mind pure and clean. It refers to the ability of body to handle the extreme of situations such as heat and cold, hunger and thirst etc. It means generating an instinct in ourselves which helps us to curb and control the inner urges without outer show.
Svadhyaya or study of One's own self: Sva means own self and adhyaya means to study or to inquire. This Niyam of Astanga Yoga implies that one should try to know more and more about oneself. This Niyam is very important to pure mind and burn out unwanted and self-destructive tendencies out of ourselves.
Isvarpranidhana or devotion to God: This Niyam leads us that we should lay all our things to God. Believe in God. And should put our effort only in doing a task and not in result. The end result should be left in the hands of God. This rule also instructs us to spend some time, everyday, inrecognition and realization of the omnipresent force (God), which is larger than us and is guiding and directing the path of our life at all times.
Asteya or Non-Stealing: Asteya or Non-Stealing is just the opposite of the word to steal. One should not steal things of others. It also means that one should not take something which doesn?t belong to him. If in a situation someone entrusts you with some thing or confides with you,you shouldnot take advantage of him or her. I.e. is to keep yourself away from the things that are not yours. However it is not desirable to speak a truth at all occasions for it could harm someone unnecessarily. Keeping yourself away from lying, cheating, dishonesty and deception fulfill the sayings in this Yama.
Brahmcharya or Sense Controlor Chastity: Brahmcharya means does not means following a path of total abstinence towards sexual activity. But it suggests that one should formonly those relationships which foster our understanding towards the highest truths and discipline. If sensual pleasures are a part of those relationships then we must take care that we keep our direction and do not get lost.
Aparigraha or Freedom from Desire: Parigraha means Possession. Where as the opposite Aparigraha implies that we should take only that much which is necessary, and not act greedily, don?t take advantage of things which are not ours. We should take only those things which we have earned oneself. External cleanliness refers to personal hygiene, while internal cleanliness indicates maintaining a healthy body and mind, with positive thinking. Cleanliness of mind is achieved by the removal of mental impurities, such a in ourselves which helps us to curb and control the inner urges without outer show.