Who said "Let us march forward with heads held high"?

This quote is attributed to Henry V.

Let us march forward with heads held high - Henry V

"Let us march forward with heads held high"

Henry V Inspiration

Military King English 1386–1422

"Once more unto the breach, dear friends, once more"

"I know no ways to minion my condition but thus"

"All things are ready, if our minds be so"

"The fewer men, the greater share of honour"

"The best part of living is knowing you survived."

"The world needs heroes."

"Life is too short to live poorly."

"I'd rather be an optimist and be wrong than a pessimist and be right"