为人民服务
The Pi Sigma Fraternity (ΠΣ) is a socio-political fraternity committed to the principles of ""Paglingkuran ang Sambayanan" (Serve the People) and Paragon of Scholarship". Its members call themselves Paragons. It was founded on August 15, 1972 by eight young men gathered at the Molave Residence Hall of the University of the Philippines Diliman, Quezon City.