यद्यदाचरति श्रेष्ठस्तत्तदेवेतरो जनः।स यत्प्रमाणं कुरुते लोकस्तदनुवर्तते॥
yad yad ācarati śreṣṭhas tat tad evetaro janaḥsa yat pramāṇaṃ kurute lokas tad anuvartate
Word by word
The verse says
Whatever the best person does, everyone else does too. The standard he sets is the one the world follows.
In plain words
The reason loka-saṅgraha matters, and it is about imitation.
People copy. Not the instructions - the behaviour. Yat yat ācarati - whatever he actually does.
And pramāṇam - the measure, the standard. Not what you say the standard is. What you do becomes it.
Where you've felt this · in parenting
A father tells his son every week that he ought to read more. The boy has never once seen him finish a book. The instruction is perfectly clear, and it is not the thing being passed on.
Going deeper
This verse is the reason the Gita cannot let Arjuna sit down, and the reasoning has nothing to do with Arjuna's own welfare.
He is śreṣṭha - foremost, the best. The greatest archer alive, a prince, a man other men watch. What he does will be read as the standard whether he intends it or not.
So his withdrawal would not be a private act of conscience. It would be a public statement, and it would be legible as exactly one thing - that when the cost gets high enough, the best among us stop.
There is a hard implication here about visibility. The verse does not say the influential person has more duties. It says their acts carry further, which is a fact about position rather than a reward for merit.
And it cuts both ways. A reader who is not a prince still sets the standard for whoever is watching them, and somebody usually is.