Taking as a bow the great weapon of the Upanishads, one should fix on it an arrow sharpened by meditation. Drawing it with a mind absorbed in the nature of That, know that very target, the Imperishable, my dear.
धनुर्गृहीत्वौपनिषदं महास्त्रं शरं ह्युपासानिशितं संधयीत । (संदधीत) आयम्य तद्भावगतेन चेतसा लक्ष्यं तदेवाक्षरं सोम्य विद्धि ॥ ३॥