Who said "A leader's word must be his bond with his soldiers."?

This quote is attributed to Rodolfo Graziani.

A leader's word must be his bond with his soldiers. - Rodolfo Graziani

"A leader's word must be his bond with his soldiers."

Rodolfo Graziani

Military Marshal Italian 1882–1955

"A soldier's duty is to obey orders without question."

"The strength of a nation lies in the will of its soldiers."

"Military discipline is the foundation of all order."

"One must act decisively in the face of uncertainty."