Who said "We are none of us infallible."?

This quote is attributed to Armstrong.

We are none of us infallible. - Armstrong

"We are none of us infallible."

Armstrong Wisdom

Character in And Then There Were None

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"The innocent suffer with the guilty."

"Each of us has something to hide."

"We deserve what comes."

"We are trapped by our conscience."

"I'm not angry, I'm just disappointed."

"The best things in life are free."

"You can't have everything in life, but you can have what matters most."

"A woman's intuition is rarely wrong."