The seriousness of our profession was most vividly explained by in his farewell speech to West Point Cadets in May of 1962 when he said ?Yours is the profession of arms, the will to win, the sure knowledge that in war there is no substitute for victory, that if you lose, the Nation will be destroyed, that the very obsession of your public service must be Duty, Honor, Country

The speech was given by  General Douglas MacArthur.                

Explanation:

General Douglas MacArthur is an American 5-star general who lived between 1880-1964. He served as the Superintendent of the U.S. Military Academy at West Point and was famous for his prominent role in the Pacific theater campaign during World War II.

Cheers!

the exodus of these people from constantinople contributed to the revival of greek and roman studies, which led to the development of the renaissance in humanism and science. byzantine emigrants also brought to western europe the better preserved and accumulated knowledge of their own greek civilization