2.
The Discourse on Mind
62.
"By what is the world led, by what is it dragged about;
To what one thing have all come under control?"
"By mind the world is led, by mind it is dragged about;
To mind, the one thing, all have come under control."
Citta Sutta [SN 1.62, PTS 1.39]
Also known as: Cittasuttaṃ