“We adhere to the principle 'what they don't know won't hurt them.”
“Tell me." Edward had to raise his voice a little. "Do you live by the principle that what people don't know can't hurt them?""No," Harper replied. "What people don't know can't hurt me.”
“what the willows don't know won't make them weep”
“Adherence to principles, and adherence to the individual, combine to make the Rebel Army an indivisible fist.”
“It's not what we don't know that hurts. It's what we know that ain't so.”
“That stupid saying "What you don't know can't hurt you" is ridiculous. What you don't know can kill you. If you don't know that tractor trailer trucks hurt when hitting you, then you can play in the middle of the interstate with no fear - but that doesn't mean you won't get killed.”