Paccanta sutta: In the Borderlands

Then the Buddha, picking up a little bit of dirt on his fingernail, addressed the mendicants: “What do you think, mendicants? Which is more: the little bit of dirt on my fingernail, or this great earth?”

“Sir, the great earth is certainly more. The little bit of dirt on your fingernail is tiny. Compared to the great earth, it doesn’t count, there’s no comparison, it’s not worth a fraction.”

“In the same way, the sentient beings reborn in central countries are few, while those reborn in the borderlands, among uneducated foreigners, are many. …”