Snorri Sturluson,
Heimskringla — King Olaf Trygvason's Saga…
“ Eirik cheers on his men, -- `On to the charge again!' The gallant few Of Olaf's crew Must refuge take On the quarter-deck. Around the king They stand in ring; Their shields enclose The king from foes, And the few who still remain Fight madly, but in vain. ”
