Free thought Quotes

"My doctrine is not a doctrine but just a vision. I have not given you any set rules, I have not given you a system." "Good ideas are free – or at least they should be." "I would rather have questions that can't be answered than answers that can't be questioned" "Civilization will not attain to its perfection until the last stone from the last church falls on the last priest" "There are no dangerous thoughts; thinking itself is dangerous." "The free exploring mind of the individual human is the most valuable thing in the world" "Do not indoctrinate your children. Teach them how to think for themselves, how to evaluate evidence, and how to disagree with you" "Freedom of speech is unnecessary if the people to whom it is granted do not think for themselves"