Who said "The sure consequence of slow writing is good writing."?

This quote is attributed to Eudora Welty.

The sure consequence of slow writing is good writing. - Eudora Welty

"The sure consequence of slow writing is good writing."

Eudora Welty Patience

Novelist American 1909–2001

"Writing is the act of discovery."

"One place comprehended can make us understand other places better."

"The mind that is wise moistens the roots of the future."

"All serious daring starts from within."

"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."