Who said "Logic cannot penetrate the veil of madness."?

This quote is attributed to Armstrong.

Logic cannot penetrate the veil of madness. - Armstrong

"Logic cannot penetrate the veil of madness."

Armstrong Wisdom

Character in And Then There Were None

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"We are none of us infallible."

"The innocent suffer with the guilty."

"Each of us has something to hide."

"We deserve what comes."

"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."