I carry Yeats with me wherever I go. He's my constant companion. I always can find some comfort in Yeats no matter what the situation is. Months and months and months go by and I know I need to switch to Shelley or somebody else, but right now Yeats is enough for me.
The only defense is offense, which means that you have to kill more women and children more quickly than the enemy if you wish to save yourselves.