Accurate understanding of the nature of things, specifically the Four Noble Truths
Correct intention
Avoiding thoughts of attachment, hatred, and harmful intent
Correct speech
Refraining from verbal misdeeds such as lying, divisive speech, harsh speech, and senseless speech
Correct action
Refraining from physical misdeeds such as killing, stealing, and sexual misconduct
Correct livelihood
Avoiding trades that directly or indirectly harm others, such as selling slaves, weapons, animals for slaughter, intoxicants, or poisons
Correct effort
Abandoning negative states of mind that have already arisen, preventing negative states that have yet to arise, and sustaining positive states that have already arisen
Correct mindfulness
Awareness of body, feelings, thought, and phenomena (the constituents of the existing world)