Use of Weapons (Culture, #3)

by Iain M. Banks

And it had two shadows, it was two things: it was the need and it was the method. The need was obvious: to defeat what opposed its life. The method was that taking and bending of materials and people to one purpose, the outlook that everything could be used in the fight; that nothing could be excluded, that everything was a weapon, and the ability to handle those weapons, to find them and choose which one to aim and fire; that talent, that ability, that use of weapons.