References – SN 56.35: A Hundred Spears 
“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]