Introduction The four noble truths are the most basic expression of the Buddha's teaching. As Ven. Sariputta once said, they encompass the entire teaching, just as the footprint of an elephant can encompass the footprints of all other footed beings on earth. These four truths are best understood, not as beliefs, but as categories of experience. They offer an alternative to the ordinary way we categorize what we can know and describe, in terms of me/not me, and being/not being. These ordinary categories create trouble, for the attempt to maintain full being for one's sense of "me" is a stressful effort doomed to failure, in that all of the components of that "me" are inconstant, stressful, and thus not worthy of identifying as "me" or "mine." To counter this problem, the four noble truths drop ideas of me/not me, and being/not being, and replace them with two sets of variables: cause and effect...