“Memory requires active engagement with the complexities of the past. It is not an unthinking or passive process, like breathing or (for most people) sleeping. I have found that good memory, like good history, requires disciplined and focused attention, an honest effort to overcome one's perceptual and cognitive biases, and sustained effort.” HistoryPsychologyMemory Book:Unthinkable: Trauma, Truth, and the Trials of American Democracy Source: Unthinkable: Trauma, Truth, and the Trials of American Democracy