Who said "The proper use of the military is an art, not a science."?

This quote is attributed to William Tecumseh Sherman.

The proper use of the military is an art, not a science. - William Tecumseh Sherman

"The proper use of the military is an art, not a science."

William Tecumseh Sherman Wisdom

Military General American 1820–1891

"War is cruelty, and you cannot refine it."

"I am tired and sick of war."

"You cannot qualify war in harsher terms than I will."

"There is many a boy here today who looks on war as all glory, but boys, it is all hell."

"I'm not angry, I'm just disappointed."

"The best things in life are free."

"You can't have everything in life, but you can have what matters most."

"A woman's intuition is rarely wrong."