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Single Idea 2078

[filed under theme 12. Knowledge Sources / C. Rationalism / 1. Rationalism ]

Full Idea

Sight or touch might make someone take eleven for twelve, but he could never form this mistaken belief about the contents of his mind.

Gist of Idea

You might mistake eleven for twelve in your senses, but not in your mind

Source

Plato (Theaetetus [c.368 BCE], 195e)

Book Ref

Plato: 'Theaetetus', ed/tr. Waterfield,Robin [Penguin 1987], p.106