A sentimental longing or wistful affection for the past, typically for a period or place with happy personal associations.
"I was overcome with acute nostalgia for my days in college"
"a nostalgia for traditional values"
“The times you lived through, the people you shared those times with — nothing brings it all to life like an old mix tape. It does a better job of storing up memories than actual brain tissue can do. Every mix tape tells a story. Put them together, and they can add up to the story of a life.” ― Rob Sheffield
“There are a few moments in your life when you are truly and completely happy, and you remember to give thanks. Even as it happens you are nostalgic for the moment, you are tucking it away in your scrapbook.” ― David Benioff
“I felt a pang -- a strange and inexplicable pang that I had never felt before.
It was homesickness.
Now, even more than I had earlier when I'd first glimpsed it, I longed to be transported into that quiet little landscape, to walk up the path, to take a key from my pocket and open the cottage door, to sit down by the fireplace, to wrap my arms around myself, and to stay there forever and ever.” ― Alan Bradley,
Nostalgia is a file that removes the rough edges from the good old days. Doug Larson