OPM Medical Retirement: Differential Calculus Derivatives of concavity & convexity in comic circumlocutions
There are things in life which we cannot understand; others, that though we may engage the subject, invest the necessary time and beyond, and yet there seems always to remain a component which continues to escape; and yet, the ease with which others seem to comprehend that which cannot be grasped. People often mistake wisdom for knowledge, when in fact the latter is merely the capacity to accumulate, whereas the former is the ability to recognize that which is relevant for successful living and to separate it from the abyss of insignificance. […]