“He who has gone for refuge to the Buddha, the Dharma, and the Sangha, and who with clear understanding sees the Four Noble Truths: This is the one who walks the path of the Dharma."

— Dhammapada 190-191
“He resorts to a secluded dwelling: a forest, the foot of a tree, a mountain, a cave, a charnel ground, a jungle thicket, an open space, a heap of straw.”

— Samyutta Nikaya 42.7