Speed-up and physiomental, economic, or social decline -- alone or together -- can also construct the feeling called nostalgia quite early in the life course.

Up is the opposite of down.

The marbles, in those days, had their primitive names. The unglazed china ones were called plasters because they looked like plaster; the glazed china marbles were called chinas. I remember how charming were the partly colored lines which encircled them.

Nay farther, and what Angels did admire, / For its Ætern Exemplar, the Moſt High, / Who with his work delighted, would retire / Frequent from Heav’n, as to divert, and view it nighe’r.