The document discusses the four aspects of human intelligence - mental, physical, emotional, and spiritual - that represent how people express themselves. It argues that vision, discipline, passion, and conscience arise from combining these four intelligences. Vision provides possible goals, discipline enacts vision through commitment, passion drives vision with conviction, and conscience guides vision morally. The document also notes these four aspects fulfill people's core needs - to love through social connection, to live through physical well-being, to learn through mental growth, and to leave a legacy through spiritual purpose.