"Science does not give us absolute and final certainty. It only gives us assurance within the limits of our mental abilities and the prevailing state of scientific thought."

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Whenever we pride ourselves upon finding a newer, stricter way of thought or exposition … we lose something of the ability to think new thoughts. And equally, of course, whenever we rebel against the sterile rigidity of formal thought and exposition and let our ideas run wild, we likewise lose. As I see it, the advances in scientific thought come from a combination of lose and strict thinking, and this combination is the most precious tool of science.

— Gregory Bateson