About Guishan Lingyou

Guishan Lingyou or Master Lingyou of Guishan (771–853) was a Chinese Zen Master during Tang Dynasty, secular surname Zhao, born in Changxi, Fujian province, the founding person of the Guiyang school.
Thích Nhất Hạnh leading a namo avalokiteshvaraya chanting session

The most prominent Zen Buddhist spiritual teachers

is a school of Mahayana Buddhism that originated in China during the Tang dynasty, known as the Chan School, and later developed into various sub-schools and branches. From China, Chán spread south to Vietnam and became Vietnamese Thiền, northeast to Korea to become Seon Buddhism, and east to Japan, becoming Japanese Zen. Zen teachers often promote diaphragmatic breathing, stating that the breath must come from the lower abdomen (known as hara or tanden in .