Tirukkural 454: Avoiding Mean Associations

Wisdom appears to rest in the mind, but it really exists to a man in his companions.

Image of Satguru Sivaya Subramuniyaswami
Among the most intimate, personal forms of communication is the written prayer to the devas or to God. Burned in Agni's sacred fire, it disintegrates in the physical world and quickly re-forms in the astral world.
—Gurudeva