6.
The Discourse on What Should Be Cultivated
150.
"I will teach you, monks, the mental state to be practised and that not to be practised.
Listen to that, etc.
And what, monks, is the mental state not to be practised?
Wrong view, etc.
wrong liberation -
this is called, monks, the mental state not to be practised.
And what, monks, is the mental state to be practised?
Right view... etc.
right liberation -
this is called, monks, the mental state to be practised."
The sixth.