Who said "Death is not the opposite of life but its completion."?

This quote is attributed to William Carlos Williams.

Death is not the opposite of life but its completion. - William Carlos Williams

"Death is not the opposite of life but its completion."

William Carlos Williams Death

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."

"Death doesn't scare me anymore."

"Death and I are old friends."

"Welcome to my world."

"Death is just the beginning."