References – SN 12.23: Proximate Cause 
“How do we know when to ask for directions on the path as opposed to just continuing farther? What would we ask?” Answered by Ajahn Yatiko. [Questions] [Practicing in accordance with Dhamma] [Gradual Teaching] // [Suffering] [Discernment] [Conditionality] [Faith]
Sutta: SN 12.23: Suffering is the cause of faith.
Follow-up: “What about when things are pleasant, but we’re not headed in the right direction?” [Happiness] [Mindfulness] [Deva] [Relinquishment]
Sutta: MN 75: Simile of the leper. [Similes]
Sutta: SN 56.35: Stream entry after 100 years. [Stream entry] [Four Noble Truths]
The Gradual Training [2012], Session 2, Excerpt 8
“Could you say more about the positive causal process that is the opposite of paticcasamuppada?” Answered by Ajahn Pasanno. [Dependent origination] [Conditionality] [Mindfulness] // [Skillful qualities] [Right Mindfulness] [Factors of Awakening]
Sutta: SN 12.23 Upanisa: Dukkha is a cause for faith. [Suffering] [Faith]
Sutta: AN 10.61 Avijjā: The Five Hindrances are a cause for ignorance. [Hindrances] [Ignorance]
Our Roots in the Thai Forest Tradition [2014], Session 37, Excerpt 4