Krishna makes a bold promise: I will give you gyana and vignyana both — theory and lived experience — and I will hold nothing back. Gyana is what you learn from a book. Vignyana is what you understand with your own hands in the soil. A farmer who reads about crops has gyana. A farmer who has tilled and sown and harvested through many seasons has vignyana.
And here is the staggering claim: once you know this, nothing in the entire world remains to be known. Know one lump of clay, and you know every clay pot ever made. Know one nugget of gold, and you know every ornament. That one supreme knowledge — knowledge of the divine — is what Krishna is about to share.
The word 'asheshatah' means without remainder, leaving nothing out. This is a guru's pledge. Krishna is promising full transparency — no hidden truths, no reserved teachings. Everything, in full.