The Buddha also taught us the way to dispel our ignorance. By our own effort of leading a moral life and undertaking mental purification, we work our way towards the release of suffering.

佛陀也教我们破除我们无明的方法：“努力过一种道德的生活并且净化我们的心灵，就能走向解脱诸苦的圣道。”

youdao

As newly crowned Khmer kings once did, a group of young boys is harnessing the unusual acoustics here by pounding their chests, a process thought to offer mental and physical purification.

BBC: The perfect trip: Cambodia