The goswamis would live under a tree for one night only, and the trees would satisfy all their desires.For the common man this may all seem very wonderful, but as one makes progress in devotional service, all this can be realized.
Introduction, Teachings of Lord Chaitanya.

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herefore in the advanced stage of devotional life a devotee does not see fire. He sees Krishna. A devotee does not see air, but he sees Krishna. A devotee does not see sky, but he sees Krishna.
Srimad-Bhägavatam 3.26.40 -- Bombay, January 15, 1975