J. B. S. Haldane - Reason Quotes

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It seems to me immensely unlikely that mind is a mere by-product of matter. For if my mental processes are determined wholly by the motions of atoms in my brain I have no reason to suppose that my beliefs are true. They may be sound chemically, but that does not make them sound logically. And hence I have no reason for supposing my brain to be composed of atoms.

J. B. S. Haldane

Now, my suspicion is that the universe is not only queerer than we suppose, but queerer than we can suppose.... I suspect that there are more things in heaven and earth than are dreamed of, in any philosophy. That is the reason why I have no philosophy myself, and must be my excuse for dreaming.

J. B. S. Haldane

The conservative has but little to fear from the man whose reason is the servant of his passions, but let him beware of him in whom reason has become the greatest and most terrible of the passions. These are the wreckers of outworn empires and civilisations, doubters, disintegrators, deiciders.

J. B. S. Haldane