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Critical-thinking Quotes

"When one person suffers from a delusion, it is called insanity. When many people suffer from a delusion, it is called religion."

"Who are you going to believe, me or your own eyes?"

"Science is the belief in the ignorance of experts"

"The surest way to corrupt a youth is to instruct him to hold in higher esteem those who think alike than those who think differently"

"There are in fact two things, science and opinion; the former begets knowledge, the latter ignorance"

"The three most damaging words in the history of mankind are 'a great idea'"

"You cannot believe in yourself if you let others do your thinking for you"

"People who read the tabloids deserve to be lied to."

"The deepest sin against the human mind is to believe things without evidence"

"None are so hopelessly enslaved as those who falsely believe they are free"

"Realists do not fear the results of their study."

"It is the mark of an educated mind to be able to entertain a thought without accepting it."

"Whenever you find yourself on the side of the majority, it is time to pause and reflect."

"He who has not early sown in his mind the seeds of truth will hear many things that will seem true but are false and will thereby incur grave damage."

"Modest doubt is called the beacon of the wise."

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