You didn't give the number of letters. Regardless, Kipling's poem whose refrain "lest we forget" is
Recessional.
I can think of a few countries now who should heed its words.
Quote:Far-called, our navies melt away;
On dune and headland sinks the fire:
Lo, all our pomp of yesterday
Is one with Nineveh and Tyre!
Judge of the Nations, spare us yet.
Lest we forget?-lest we forget!