The kriya yoga guru Lahiri Mahasaya (1828–95) is also called Lahiri Baba. His real name: Shyama Charan (Devi Sharman) Lahiri. 'Mahasaya' is a customary sign of respect, like Baba. Lahiri Mahasaya is known for simplifying kriya yoga and initiating about 5,000 persons in it. His yogi associations to 26 texts are published in several books. Some extracts follow.
"Spiritual teachings . . . cannot throw light on the inner Self, for the Self is Light." - Guru Dev
Lahiri says the same thing among lots of other statements throughout twenty-six commentaries.