We must not be afraid to be wrong, for only by being wrong can we learn and progress.
It's easy to perform for others, but hard to perform for yourself.
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.