योगवासिष्ठः yogavāsiṣṭhaḥ - book-7, chapter-197, verse-33

evaṃ hi sarvametattacchāstrādeḥ samavāpyate ।
tasmātsarvaprayatnena śāstrādyabhyāsamāharet ।
।
33 ।
।

evaṃ hi sarvametattacchāstrādeḥ samavāpyate ,
tasmātsarvaprayatnena śāstrādyabhyāsamāharet 33

33. The Sanskrit text of Yoga Vasistha Verse 7.197.33 is contained in the book Book by . This book is not available online so in order to read the full text and translation you should buy the book: