The Katha Upanishad with Shankara’s Commentary
एतदालम्बनँ श्रेष्ठमेतदालम्बनं परं ।
एतदालम्बनं ज्ञात्वा ब्रह्मलोके महीयते ॥ १७ ॥
etadālambanam̐ śreṣṭhametadālambanaṃ paraṃ ।
etadālambanaṃ jñātvā brahmaloke mahīyate ॥ 17 ॥
17. This prop is the best. This prop is the highest Knowing this prop, one is worshipped in the world of Brahman.
Com.—This being so, this prop is the best, i.e., the most praiseworthy of all props, to attain the Brahman. This prop is both the higher and lower; for, it leads to both the highest and the manifested Brahman i.e., of the highest Brahman and the manifested Brahman. The meaning is: he becomes one with the Brahman and he becomes fit to be worshipped like Brahman.