"We must present a clear alternative to the established secular religion which permeates our daily lives," Listecki told the crowd of about 1,000 clergy, family, friends and well-wishers during his installation Mass at Milwaukee's Cathedral of St. John the Evangelist.
"We need to acknowledge mystery and our dependence upon God," Listecki said. "Adherence to the church's teaching is not always easy. However, one must sacrifice for the truth."
Abp. Listecki didn't call it practical atheism, but he could have.