Journal of Sino-W est ern Communi c at ions, Volume 2, Issue 2 (December, 2010) 12 宋儒二程论“德”：有美德的人是否以自我为中心？ Th e Ch e ng Broth e r s on Virtu e ( de 德): I s a Virtuous P e r son Se lf-C e nt e r e d? 黄勇 Huang, Yong 库茨敦大学哲学系 Department of Philosophy, Kutztown University, Pennsylvania, US