Tirukkural 1009: Wealth Without Benefaction

Strangers will inherit the riches that have been acquired without regard for friendship, comfort and charity.

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.
—Gurudeva