Who said "I am not what I am."?

This quote is attributed to Henry V.

I am not what I am. - Henry V

"I am not what I am."

Henry V

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"