“No problem is at once more delicate and more profound, more practical and perhaps more pressing ... How can human intelligence hope to deal with the unintelligible yet objective situations which the flight from understanding creates and expands and sustains? At least we can make a beginning by asking what precisely it is to understand, what are the dynamics of the flow of consciousness that favors insight ... what, finally, do the answers to such questions imply for the guidance of human thought and action.”