The only type of nostalgia that’s ultimately valid and true is nostalgia for the infinite. Sehnsucht. The holy longing. Intense yearning sparked by the shimmering memory trace of our true identity flickering in the shadows and interstices of this dream of separation. All other nostalgias are sentimental egoic projections of a time and circumstance that never really existed. But this one is genuine. It’s also the ultimate clue and the final path of return.