Story: Sakthi Nayanar

Periyapuranam

Sakthi Nayanar (sometimes called Shaktinatha) did not tolerate any one who spoke ill about Shaivas. He is said to have forcibly pull out the tongues of the offender with tongs and cut them off with sharp knife called satti, which gave him his name.

Image of Satguru Sivaya Subramuniyaswami
This is the straight and certain path, the San Marga, leading to Self Realization--the inmost purpose of life--and subsequently to moksha, freedom from rebirth.
—Gurudeva