1. There are the five abstentions of non-violence, non-lying, non-covetousness, non-sensuality, and non-possessiveness, which need to be practiced. This principle of yoga is known as Yama.
2. Like the five abstentions, there are five observances, which need to be followed, which are purity, contentment, austerity, study, and surrender to a supreme being; this principle is called Niyama in Sanskrit.