योगवासिष्ठः yogavāsiṣṭhaḥ - book-7, chapter-185, verse-2

आवाभ्यां प्रणयोदारैः प्रार्थितोऽपि पुनःपुनः ।
वाक्यैः संसारमविदन्न वचो दत्तवान्पुनः ॥ २ ॥

āvābhyāṃ praṇayodāraiḥ prārthito'pi punaḥpunaḥ ,
vākyaiḥ saṃsāramavidanna vaco dattavānpunaḥ 2

2. And we prayed him with great fondness and endearment, yet he uttered not a word unto us; because he seemed to be so rapt in his abstraction, as to have become utterly insensible of the outer world.