Who said "What we leave unsaid shapes us more than what we voice."?

This quote is attributed to William Carlos Williams.

What we leave unsaid shapes us more than what we voice. - William Carlos Williams

"What we leave unsaid shapes us more than what we voice."

William Carlos Williams

Poet Physician American 1883–1963

"So much depends upon a red wheel barrow glazed with rain water beside the white chickens."

"The pure products of America go crazy."

"No ideas but in things."

"I have discovered that most of the things I've done, I've done for the sake of their form."