#Charles Sanders Peirce

I think of consciousness as a bottomless lake, whose waters seem transparent, yet into which we can clearly see but a

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Doubt is an uneasy and dissatisfied state from which we struggle to free ourselves and pass into the state of belief; while

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Our idea of anything is our idea of its sensible effects; and if we fancy that we have any other we deceive ourselves,

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If liberty of speech is to be untrammeled from the grosser forms of constraint, the uniformity of opinion will be secured by

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Upon this first rule of reason, that in order to learn you must desire to learn, and in so desiring not be satisfied with

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