Why are we as helpless, or more so, than our ancestors were in facing the chaos that interferes with happiness? There are at least two good explanations for this failure. In the first place, the kind of knowledge—or wisdom—one needs for emancipating consciousness is not cumulative. It cannot be condensed into a formula; it cannot be memorized and then routinely applied. Like other complex forms of expertise, such as a mature political judgment or a refined aesthetic sense, it must be earned through trial-and-error experience by each individual, generation after generation.
