What is even more merciful than the sound of Nitainam, which in turn is more merciful than Nitai Himself?
Only the direct touch of sunlight can purify the cow dung and make it pure and useful.
What is our prime duty in this human form of life?
The only means for our full transformation.
Air is the primary medium through which we touch everything. – Srimad Bhagavatam 7.12.27