“We need to take nostalgia seriously as an energizing impulse, maybe even a form of knowledge. The effort to revalue what has been lost can motivate serious historical inquiry; it can also cast a powerful light on the present.” NeedsHas BeensLightFormLostPowerfulEffortSeriousHistoricalCastsNostalgiaImpulseInquiryEnergizing Author:T. J. Jackson Lears