Who said "To live as if death were not, is to live as a fool."?

This quote is attributed to William Butler Yeats.

To live as if death were not, is to live as a fool. - William Butler Yeats

"To live as if death were not, is to live as a fool."

William Butler Yeats Death

Poet Playwright Irish 1865–1939

"The best way to live is to act as if you are already dead."

"Do not wait to strike till the iron is hot; but make it hot by striking."

"There are no strangers here; only friends you haven't yet met."

"How can we know the dancer from the dance?"

"Death doesn't scare me anymore."

"Death and I are old friends."

"Welcome to my world."

"Death is just the beginning."