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
When guests come, they must be given hospitality, at least a mat to sit on and a glass of water to drink. These are obligatory gifts. You must never leave your guest standing, and you must never leave your guest thirsty.