The Related Suttas Collection 22.16

2. Impermanence

That Which is Suffering

At Sāvatthī.

“Bhikkhus, form is suffering. What’s suffering is not-self. And what’s not-self should be truly seen with right understanding like this: ‘This is not mine, I am not this, this is not my self.’

Feeling is suffering …

Perception is suffering …

Functioning patterns are suffering …

Consciousness is suffering. What’s suffering is not-self. And what’s not-self should be truly seen with right understanding like this: ‘This is not mine, I am not this, this is not my self.’

Seeing this … They understand: ‘… there is no return to any state of existence.’”