Tirukkural 701: The Knowledge of Indications

The minister who by looking (at the king) understands his mind without being told (of it), will be a perpetual ornament to the world which is surrounded by a never-drying sea.

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