Who said "All things are good if you don't do too many of them."?

This quote is attributed to Ernest Hemingway.

All things are good if you don't do too many of them. - Ernest Hemingway

"All things are good if you don't do too many of them."

Ernest Hemingway

Novelist American 1899–1961

"The world breaks everyone, and afterward, some are strong at the broken places."

"Courage is grace under pressure."

"There is nothing to writing. All you do is sit down at a typewriter and bleed."

"The shortest answer is doing the thing."