"It is only the dead who have seen the end of war”-Plato

"It is only the dead who have seen the end of war”. This quotation attributed to Plato is engraved on a wall at the British Imperial War Museum.


The Imperial War Museum in London features military vehicles, weapons, war memorabilia, a library of art collection of 20th century and later conflicts, especially those involving Britain, and the British Empire.

What does Plato's quotation mean in the context of this war museum, which encourages the study and understanding of the history of modern war and how it affects our lives?