The Rain Lord, Indra, King of the Devas, the bright-beings, came beating his thunder drums and wetting the world.
The definition of the weakness and strength of the mind is analogous to the weakness and strength of the body and its vital functions. Through the practice of yoga and meditation and other attendant disciplines, both the body and the mind may be energized.
Have you ever seen how, when an infant breathes, its whole body expands and contracts? The reason this happens is because infants breathe with "diaphragmatic belly breaths"; the most efficient way to breathe.