Stain Not The Sky

Ye gods of battle, lords of fear,
  Who work your iron will as well
  As once ye did with sword and spear,
  With rifled gun and rending shell,—
  Masters of sea and land, forbear
The fierce invasion of the inviolate air!
  With patient daring man hath wrought
  A hundred years for power to fly;
  And will you make his winged thought
  A hovering horror in the sky,
  Where flocks of human eagles sail,
Dropping their bolts of death on hill and dale?
  Ah no, the sunset is too pure,
  The dawn too fair, the noon too bright
  For wings of terror to obscure
  Their beauty, and betray the night
  That keeps for man, above his wars,
The tranquil vision of untroubled stars.
  Pass on, pass on, ye lords of fear!
  Your footsteps in the sea are red,
  And black on earth your paths appear
  With ruined homes and heaps of dead.
  Pass on to end your transient reign,
And leave the blue of heaven without a stain.
The wrong ye wrought will fall to dust,
  The right ye shielded will abide;
  The world at last will learn to trust
  In law to guard, and love to guide;
  And Peace of God that answers prayer
Will fall like dew from the inviolate air.