"Self-doubt, stress and anxiety? Bring ’em on!" With that, Conlon launches into an essay on the virtues of stretching one’s limits, taking risks and venturing out of the comfort zone in the pursuit of success and mastery. The process, says Conlon, is paradoxically two-fold: on the one, it requires learning new skills and attributes; on the other, it calls up a process "that looks like erosion: wearing away "your rough edges" to reveal the truer image of you "that exists within the marble."