Shared with Thanks to Jyoti Maheshwari(Gayatri Pariwar):-

"मीठे बोल बोलिये क्योंकि अल्फाजों में जान होती है;
इन्हीं से आरती, अरदास और इन्हीं से अज़ान होती है;
यह समुंदर के वह मोती हैं;

जिनसे इंसानों की पहचान होती है"......
Meaning:-
Speak sweetly/properly; because there is life in the words, you speak;
Because with the help of the words we speak, do prayers- Ardas, Azan also, to please the God.
Your sweet spoken words are such types of pearls of sea;
with the help of which only , you are recognized/identified, by the people that what you are actually, by heart/mind, by soul.