"Your desire or beliefs will literally be reaching back into time, teaching the nerves new tricks. Definite reorganizations in that past will occur in your present, allowing you to behave in entirely new fashions. Learned behavior therefore alters not only present and future but also past conduct."

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Knowledge is a continuous fabric, in which ideas are connected to other ideas. Reason-free zones, in which people can assert arbitrary beliefs safe from ordinary standards of evaluation, can only corrupt this fabric, just as a contradiction can corrupt a system of logic, allowing falsehoods to proliferate through it.

— Steven Pinker