An article depicting Ramana Maharshi's teachings on Self-enquiry, as stated by his disciple Annamalai Swami... Instructions for Self-Enquiry Talks with Annamalai Swami
Ramana Maharshi endorsed Self-enquiry as a way of gaining self-knowledge. Imo, Ramana's philosophical method of self-enquiry can be considered as a natural extension of Socrates's philosophy, who also prioritized self-knowledge by enquiry. The phrase 'Know thyself' was an ancient Greek injunction referred to by Socrates in his dialogues.