Excerpts from Books and Wikipedia
"After the German army occupied most of Belgium in 1914, she volunteered to operate an escape line, which sent hundreds of Belgian men liable to be conscripted--and later escaped allied prisoners of war and stray soldiers--to the neutral Netherlands under the cover of her hospital work. 'Patriotism is not enough. I must have no hatred or bitterness for anyone,' now inscribed on her statue in London . . ." [Furtado: 1001 Days]