lest we forget

American  

[lest wee fer-get] / ˈlɛst ˌwi fərˈgɛt /

idiom

1. we should not forget (often used as a cautionary phrase).

   Lest we forget, many large conflicts have started over small, insignificant areas.

   Lest we forget, fake news is still with us.

2. in case you have forgotten (used facetiously).

   The 1980s, lest we forget, was a terrible era for fashion.

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Etymology

Origin of lest we forget

Refrain from Rudyard Kipling's poem “Recessional” (1897)

Example Sentences

You are, lest we forget, already in a high income-tax bracket.

From MarketWatch

For much of mankind’s history, mere day-to-day survival has been the real priority — and, lest we forget, it still is for a good part of the planet’s population.

From MarketWatch

About the latter: Lest we forget, the U.S. spends more than $13,400 on healthcare per person, almost double the figure in other highly productive nations like Switzerland, Germany, Austria and Sweden.

From MarketWatch

Last weekend I watched as people queued to buy Remembrance merchandise from a pop-up retail shop: t-shirts bearing the words Lest We Forget, poppy-themed Christmas cards, napkins, water bottles, mugs, enamel poppies for your lapel, large plastic poppies for your car.

From BBC

Lest we forget our past, America is the great democratic experiment precisely because it’s a land of immigrants.

From Los Angeles Times