A smile remains the most inexpensive gift I can bestow on anyone and yet its powers can vanquish kingdoms. – Og Mandino dhavalvadi 4 years ago A smile remains the most inexpensive gift I can bestow on anyone and yet its powers can vanquish kingdoms. Og Mandino 1 A smile remains the most inexpensive gift I can bestow on anyone and yet its powers can vanquish kingdoms. – Og Mandino A smile remains the most inexpensive gift I can bestow on anyone and yet its powers can vanquish kingdoms. – Og Mandino