Yamas: (external ethics)
ahimsa – non violence
satya – truth
asteya – non-stealing, responsibility
brahmacharya – celibacy, also meaning moderation
aparigraha – non attachment
Niyamas: (internal ethics)
saucha – purity
santosha – contentment
tapas – discipline
svadyaya – self-study
ishvara pranidhana – surrender to something higher