Who said "We know what we are, but know not what we may be."?

This quote is attributed to William Shakespeare.

We know what we are, but know not what we may be. - William Shakespeare

"We know what we are, but know not what we may be."

William Shakespeare

Playwright Poet English 1564–1616

"To be, or not to be, that is the question"

"All the world's a stage, and all the men and women merely players"

"Some are born great, some achieve greatness, and some have greatness thrust upon them"

"The course of true love never did run smooth"