The first two limbs that Patanjali describes are the fundamental ethical precepts called yamas, and the niyamas. These can also be looked at as universal morality and personal observances. Yamas and niyamas are the suggestions given on how we should deal with people around us and our attitude toward ourselves. The attitude we have toward things and people outside ourselves is yama, how we relate to ourselves inwardly is niyama. Both are mostly concerned with how we use our energy in relationship to others and to ourselves.
The yamas are broken down into five “wise characteristics.” Rather than a list of dos and don’ts, “they tell us that our fundamental nature is compassionate, generous, honest and peaceful.”
They are as follows: