Qureshi started his career as a journalist when the ideological conflict between Communists and Islamists was at its peak in the 1960s and 1970s.
He and his brother joined the right-wing camp and backed the religious forces working for an Islamic political system in Pakistan.
He has been influenced by the writings of Abul A'la Maududi, a revolutionary Islamic scholar.
He and his brother were jailed several times by the governments due to their opposing views and writings.
His political analyses during the East Pakistan separation movement, after the military coups, and on other critical national events got the attention of every school of thought in the country.