Practice Leads to Liberation

The Ribhu Gita (ऋभुगीता) forms the sixth part of Siva Rahasya Purana. It details in about two thousand verses the dialogue on the Self and Brahman between Sage Ribhu (who in turn heard it from Lord Shiva Himself) and Sage Nidagha on the slopes of the Mount Kedara in the Himalayas. (source: wikipedia). 

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• All yogic practices, all philosophic pursuits, all devotional exercises, and all faiths and beliefs should be abandoned. One should confine oneself to practice of the teachings of this book only. 
• By the sole practice of the teachings of this book, all confusion and ignorance will be destroyed. Firm abidance in the Self will be the positive result. With the fusion of the wisdom and peaceful bliss of the Self, mukti will be attained.
• Only when all sins are washed off by the practice of virtues running through many lives, one gets the rare opportunity of securing this treatise and practising its tenets. By the feet of Lord Shiva we declare that only those whose cycle of births and deaths has come to an end with this life will ever get this treatise in their hands and practise its teachings.

From "The Essence of Ribhu Gita" by Prof. N. R. Krishnamurthi Aiyer