Who said "The most powerful words are often the simplest ones."?

This quote is attributed to Elio Vittorini.

The most powerful words are often the simplest ones. - Elio Vittorini

"The most powerful words are often the simplest ones."

Elio Vittorini

Novelist Italian 1908–1966

"Literature is the most agreeable way of ignoring life."

"A man who doesn't read has no advantage over a man who can't read."

"The real voyage of discovery consists not in seeking new landscapes, but in having new eyes."

"To live is to choose, but to choose well you must know who you are."