Śrīmad-Bhāgavatam · Text 4.22.50
Who is speaking and story frame
कर्माणि च यथाकालं यथादेशं यथाबलम् ।
यथोचितं यथावित्तमकरोद्ब्रह्मसात्कृतम् ॥ ५० ॥
karmāṇi ca yathā-kālaṁ
yathā-deśaṁ yathā-balam
yathocitaṁ yathā-vittam
akarod brahma-sāt-kṛtam
Being self-satisfied, Mahārāja Pṛthu executed his duties as perfectly as possible according to the time and his situation, strength and financial position. His only aim in all his activities was to satisfy the Absolute Truth. In this way, he duly acted.
Read Śrīla Prabhupāda's purport on Vedabase.io