Paṭhamasamuddasutta
“‘Samuddo, samuddo’ti, bhikkhave, assutavā puthujjano bhāsati. Neso, bhikkhave, ariyassa vinaye samuddo. Mahā eso, bhikkhave, udakarāsi mahāudakaṇṇavo. Cakkhu, bhikkhave, purisassa samuddo; tassa rūpamayo vego.
The Ocean (1st)
“Mendicants, an unlearned ordinary person speaks of the ocean. But that’s not the ocean in the training of the Noble One. That’s just a large body of water, a large sea of water. For a person, the eye is an ocean, and its currents are made of sights.