How do we know? How is knowledge possible? This question has always been in the foreground of philosophical enquiry. From classical philosophy to modem epistemology, and then to psychology and contemporary cognitive sciences, it has been reformulated in many different ways. However, the same sort of dualistic logic has characterized almost all these approaches, leading to theorizations of knowledge in terms of bipolar oppositions such as: iconic vs. propositional, exogenic vs. endogenic, rational vs. emotive, concrete vs. abstract, and so on.