" This rapid popular change makes me monarchist and raises the question whether the self interest of one man is not a safer criterion than the wild opinions of ignorant men."
letter to Ellen Sherman - Jan., 1861
" War is cruelty. There is no use trying to reform it; the crueler it is, the sooner it will be over."
Reply to a woman of Southern sympathies, who criticized him for the destruction of Mississippi during the Meridian Campaign.
Cited in Fateful Lightning: A New History of the Civil War and Reconstruction, by Alan C. Guelzo, Oxford University Press (2012), p. 439