The eight factors of the Noble Eightfold Path can be grouped into three strands-wisdom, morality and concentration. Wisdom consists of two factors, Right Understanding and Right Thought. The first of these is to do with developing an understanding of the Buddha’ s principal teaching, including the four noble truths, the law of kamma [good deeds lead to happy states, bed deeds to miserable ones]. And the three marks of existence [suffering, impermanent and not-self]. Right Thought is thought free from ill-will, cruelty and lust.