Many overlooked gems still wait to be discovered among the people.
Tips
history
From 《新唐书·狄仁杰传》: when Tang official Yan Liben tested the young Di Renjie and found him brilliant, he sighed that any flaw in their assessment would have left him 'a pearl lost in the vast sea' (沧海遗珠) — i.e. great talent missed by the system.
usage
Often used in cultural and literary contexts: rediscovered books, forgotten artists, underrated films. Carries a tone of admiration plus regret that recognition came late.