The key to successful investing is to have a clear understanding of the risks and rewards, a disciplined approach, and a long-term perspective.

"The greatest journeys are those that take us inward, to the depths of our own souls."

The first fruit of this imagination—and the first lesson of the social science that embodies it—is the idea that the individual can understand his own experience and gauge his own fate only by locating himself within his period, that he can know his own chances in life only by becoming aware of those of all individuals in his circumstances.