Thus, O King, the Supreme Lord Hari is the giver of all desirable benefits of life. Intelligent human beings worship the particular forms and names that the Lord manifests in different ages.
Srimad Bhagavata Purana
श्रीमद्भागवतमहापुराणम्
मूल श्लोकः
एवं युगानुरूपाभ्यां भगवान् युगवर्तिभिः । मनुजैरिज्यते राजन् श्रेयसामीश्वरो हरिः
evaṃ yugānurūpābhyāṃ bhagavān yugavartibhiḥ | manujairijyate rājan śreyasāmīśvaro hariḥ
SB 11.5.35