““It is important to recognize that mastering any of the disciplines requires effort on both the levels of understanding the principles and following the practices. It is tempting to think that just because one understands certain principles one has “learned” about the discipline. This is the familiar trap of confusing intellectual understanding with learning. Learning always involves new understandings and new behaviors, “thinking” and “doing.” This is the reason for distinguishing principles from practices. Both are vital. The””
