Tirukkural 767: The Excellence of an Army

That is an army which knowing the art of warding off an impending struggle, can bear against the dust-van (of a hostile force).

Image of Satguru Sivaya Subramuniyaswami
The guru helps the devotee to hold his mind in focus, to become pointedly conscious of thought, word and deed, and to cognize the lessons of each experience.
—Gurudeva