At one time, the Blessed One was dwelling in Sāvatthi, in Jeta‘s Grove, Anāthapiṇḍika’s Park...
“Bhikkhus, there are these four elements. What four? The |earth element::whatever internal or external that is solid, hard, resistant, appears stable and supporting, which can be considered as belonging to oneself, and can be clung to [pathavīdhātu]|, the |water element::whatever internal or external, that is liquid, cohesive, flowing, binding, moist, which can be considered as belonging to oneself, and can be clung to [āpodhātu]|, the |fire element::whatever internal or external that is hot, fiery, transformative, warming, cooling, which can be considered as belonging to oneself and can be clung to [tejodhātu]|, and the |air element::whatever internal or external that is airy, gaseous, moving, vibrating, wind-like, which can be considered as belonging to oneself and can be clung to [vāyodhātu]|. These are the four elements.”