Dhammacakkappavattana Sutta,the Lord Buddha's sermon, means the setting in motion of the wheel of dharma.lts concept is mainly about the Middle Way,a path of moderation between the extremes of sensual indulgence and self-mortification,and the Four Noble Truths: Dukkha (suffering),Samudaya (cause of suffering),Nirodha(end of suffering) ,and Magga (paths to that end).