Saṃyutta Nikāya 22
Connected Discourses on the Aggregates
24. Directly Knowing
At Savatthi. “Bhikkhus, without directly knowing and fully understanding form, without becoming dispassionate towards it and abandoning it, one is incapable of destroying suffering. Without directly knowing and fully understanding feeling … perception … volitional formations … consciousness, without becoming dispassionate towards it and abandoning it, one is incapable of destroying suffering.
“Bhikkhus, by directly knowing and fully understanding form, by becoming dispassionate towards it and abandoning it, one is capable of destroying suffering. By directly knowing and fully understanding feeling … perception … volitional formations … consciousness, by becoming dispassionate towards it and abandoning it, one is capable of destroying suffering.”