Who said "Too long a sacrifice can make a stone of the heart."?

This quote is attributed to William Butler Yeats.

Too long a sacrifice can make a stone of the heart. - William Butler Yeats

"Too long a sacrifice can make a stone of the heart."

William Butler Yeats Patience

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?"

"Patience is a virtue I'm still learning."

"I may be a redhead, but I'm not a hothead."

"Patience is a virtue."

"Patience is a virtue I never learned."