"By “intuition,” I do not mean the fluctuating testimony of the senses or the deceptive judgment of imagination as it botches things together, but the conception of a clear and attentive mind, which is so easy and distinct that there can be no doubt about what we are understanding. Alternatively, it comes to the same thing intuition is the indubitable conception of a clear and attentive mind which proceeds solely from the light of reason."
January 1, 1970