Katha Upanishad - Verse 2.3.10
Text: यदा पञ्चावतिष्ठन्ते ज्ञानानि मनसा सह । बुद्धिश्च न विचेष्टते तामाहुः परमां गतिम् ॥ १० ॥ yadā pañcāvatiṣṭhante jñānāni manasā saha | buddhiśca na viceṣṭate tāmāhuḥ paramāṃ gatim || 10 || When the five organs of perception become still, together with the mind, and the intellect ceases to be active: that is called the highest state. NOTE: Tranlsation and commentary is missing from the book. The alternate translation for the verse presented above is from Swami Paramananda....