Punjab Chief Minister Maryam Nawaz Sharif emphasized that serving humanity is the key to a nation's development and progress.In her message on World Humanity Day today, the Chief Minister reiterated that serving humanity is her government's manifesto and motto, aiming to create a society where every individual can live with dignity adding that education, health and welfare projects are the first priority to serve the people.She paid tribute to the servants of humanity all over the world saying serving humanity is worship.Source: Radio Pakistan