The Vedas give the eternal regulative principles for auspicious advancement in human civilization which have been rigidly followed in the past. The strong evidence of this principle is the Supreme Personality of Godhead, who is called Janārdana, the well-wisher of all living entities.
Srimad Bhagavata Purana
श्रीमद्भागवतमहापुराणम्
मूल श्लोकः
एष एव हि लोकानां शिवः पन्थाः सनातनः । यं पूर्वे चानुसन्तस्थुर्यत्प्रमाणं जनार्दनः
eṣa eva hi lokānāṃ śivaḥ panthāḥ sanātanaḥ | yaṃ pūrve cānusantasthuryatpramāṇaṃ janārdanaḥ
SB 4.2.31