  Among the challenges was the need, first, to reconsider long-prevailing defining assumptions regarding the nature of properly “philosophical” thought: namely, that such thought is characterized by a loving quest for wisdom pursued by persons who have the most highly cultivated forms of disciplined thought, and whose lives are materially conditioned such that they have the leisure to devote substantial amounts of their time and energy to reflective thought and to working out their thinking for articulate, systematic expression in writing.