his meditation practice, alternating between walking and sitting
meditation. His samãdhi practice steadily progressed, infusing his
heart with tranquillity. At the same time, he intensified the devel-
opment of wisdom by mentally dissecting the different parts of the
body, while analyzing them in terms of the three universal char-
acteristics of existence: that is to say, all are impermanent, bound
up with suffering, and void of any self. In this manner, his confi-
dence grew with each passing day.The Sàvaka Arahants
Living in Sarika Cave, Ãcariya Mun was occasionally visited by
sãvaka Arahants,^25 who appeared to him by means of samãdhi
nimitta.^26 Each sãvaka Arahant delivered for his benefit a discourse
on Dhamma, elucidating the traditional practices of the Noble
Ones. Here is the substance of what was expressed:Walking meditation must be practiced in a calm, self-composed
manner. Use mindfulness to focus your attention directly on the
task you have set for yourself. If you’re investigating the nature of
the khandhas or the conditions of the body, or simply concentrat-
ing on a specific Dhamma theme, then make sure mindfulness
is firmly fixed on that object. Don’t allow your attention to drift
elsewhere. Such negligence is characteristic of one having no solid
spiritual basis to anchor him, and thus lacking a reliable inner
refuge. Mindful awareness should attend each and every move-
ment in all your daily activities. Don’t perform these actions as