John W. Campbell

“A problem thoroughly understood is a problem half solved.”

“The only way to test a hypothesis is to look for all the information that disagrees with it.”

“Logic is a tool, not a substitute for thought.”

“The function of a genius is not to give new answers, but to ask new questions.”

“The only real security is the ability to produce.”

“A fanatic is a man who does what he thinks the Lord would do if He knew the facts of the case.”

“An experiment is a question which science poses to Nature, and a measurement is the recording of Nature's answer.”

“The creative person is usually an outcast.”

“The major function of science fiction is to prepare people to accept the future without pain.”

“A culture is a method of assigning priorities, and a method of enforcing them.”

“The only valid reason for having a government is to protect the citizens from brute force.”

“Civilization is the process of setting man free from men.”