Who said "The power of an army lies not in its size, but in its unity."?

This quote is attributed to Douglas Haig.

The power of an army lies not in its size, but in its unity. - Douglas Haig

"The power of an army lies not in its size, but in its unity."

Douglas Haig Power

Military Field Marshal British 1861–1928

"I have not the smallest doubt that the credit of this war will eventually rest with the cavalry."

"The general who loses morale loses the battle."

"In any war, the morale of the troops is half the battle."

"Success in war depends upon the moral factor."

"Power without control is just destruction."

"Power is not about control, it's about influence"

"The world doesn't need me to be the hero. It just needs me to be dangerous."

"The claws come out when I need them to."