References – SN 45.12: Dwelling (2) 
“When the Buddha says don’t completely isolate yourself (in AN 7.61), does that mean you can’t be a hermit and complete the path?” Answered by Ajahn Pasanno. [Seclusion] // [Community] [Mutual lay/Saṅgha support] [Great disciples] [Ajahn Mun]
Sutta: SN 45.12: The Buddha goes on retreat.