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अस्मिन् लोके विजयन्तीह कामान् ब्राह्मीमेव स्थितिं ब्रह्मण्येव स्थितिम् अनुतितिक्षमाणाः अनुदिनं क्षममाणाः ते आत्मानं देहेन्द्रियादिभ्यो निष्कृष्य तत्साक्षिणं चिन्मात्रं निर्हरन्ति पृथक्कुर्वन्ति ।किमिव? मुञ्जादिषीकामिव यथा मुञ्जादिषीकामन्तःस्थां निर्हरन्ति, एवं कोशपञ्चकेभ्यो निष्कृष्य सर्वात्मानं प्रतिपद्यन्त इत्यर्थः ।केन—धीरभावात् धैर्येण ।श्रूयते च कठवल्लीषु—‘अङ्गुष्ठमात्रः पुरुषोऽन्तरात्मा सदा
In plain words
Conquering all desires in this very life and abiding firmly anchored in Brahman through daily patience, they separate the true Self from the body and senses. Just as one extracts the tender core from a blade of muñja grass, they pull the witness-consciousness clean out from the five sheaths and realize the universal Self. How? Through steadfast courage. As the Katha Upanishad declares: 'The thumb-sized person, the inner Self, ever dwells...'
Close to the Sanskrit
Conquering desires right here in this world, abiding exclusively in Brahman through constant forbearance day by day, they extract the Self from the body and senses, separating out the pure witness of consciousness. Like what? Just as one extracts the inner stalk from muñja grass, extracting it from the five sheaths they realize the universal Self—this is the meaning. By what? Through steadfastness. And it is heard in the Katha Upanishad: 'The thumb-sized Purusha, the inner Self, always...'