Śrīmad-Bhāgavatam · Text 4.28.37
Who is speaking and story frame
शीतोष्णवातवर्षाणि क्षुत्पिपासे प्रियाप्रिये ।
सुखदु:खे इति द्वन्द्वान्यजयत्समदर्शन: ॥ ३७ ॥
śītoṣṇa-vāta-varṣāṇi
kṣut-pipāse priyāpriye
sukha-duḥkhe iti dvandvāny
ajayat sama-darśanaḥ
Through austerity, King Malayadhvaja in body and mind gradually became equal to the dualities of cold and heat, happiness and distress, wind and rain, hunger and thirst, the pleasant and the unpleasant. In this way he conquered all relativities.
Read Śrīla Prabhupāda's purport on Vedabase.io