References – AN 1.41-50: A Spike 
“Do you have any advice about how to hold a particularly strong “fighting spirit” teaching, like Ajahn Dtun?” Answered by Ajahn Pasanno. [Fierce/direct teaching] [Teaching Dhamma ] [Ajahn Dtun] // [Culture/Thailand] [Ardency] [Right Effort] [Restlessness and worry] [Heedfulness] [Discernment] [Goodwill]
Sutta: AN 1.49: The mind is radiant.
Quote: “If you invite visitors into your home [the mind] and they just make a mess, then you want to close the door on them before they come in. You can’t be too polite.” — Ajahn Chah. [Ajahn Chah] [Similes] [Unwholesome Roots]
Our Roots in the Thai Forest Tradition [2014], Session 18, Excerpt 4
“‘Luminous is the mind.’ Is the luminous mind conditioned or unconditioned? If unconditioned, then it’s Nirvana. If conditioned/impermanent, then Nirvana is beyond the mind? Yet it can be known by the mind?” Answered by Ajahn Pasanno. [Nature of mind] [Unconditioned] [Nibbāna]
Sutta: AN 1.49
2015 Thanksgiving Monastic Retreat, Session 4, Excerpt 4
“Did you say the defilements are advantageous? (The questioner misheard ‘adventitious’ in a particular translation of AN 1.49-50.)” Answered by Ajahn Pasanno. [Unwholesome Roots]
2015 Thanksgiving Monastic Retreat, Session 4, Excerpt 5
“Could you say a little more about that clarity? You talked about knowing that there is this factor of the truth of Dhamma? How do you be into that?” Answered by Ajahn Pasanno. [Knowledge and vision] [Truth] [Dhamma ] // [Cause of Suffering] [Unwholesome Roots]
Quote: “It’s intrinsic to us all, but we get in the way.”
Sutta: AN 1.49: “This mind, bhikkhus, is radiant, but it is defiled by adventitious defilements.” [Nature of mind]
Follow-up: “Does the academic speculation about AN 1.49 fall away when you’re actually practicing?” [Views] [Direct experience]
Quote: “First you have to know the Dhamma. Then you have to see the Dhamma. Then you have to be the Dhamma.” — Ajahn Chah. [Ajahn Chah] [Insight meditation] [Relinquishment] [Self-identity view]
Follow-up: “In Ajahn Chah’s progression of knowing Dhamma and seeing Dhamma and then being Dhamma, what is Dhamma in that context?”