Supperational thinkers, by recursive definition, include in their calculations the fact that they are in a group of superrational thinkers. - Douglas Hofstadter

The perception of an isomorphism between two known structures is a significant advance in knowledge-and I claim that it is such perceptions of isomorphism which create meanings in the minds of people.

Perhaps the most concise summary of enlightenment would be: transcending dualism. … Dualism is the conceptual division of the world into categories … human perception is by nature a dualistic phenomenon—which makes the quest for enlightenment an uphill struggle, to say the least.

that the key is not the stuff out of which brains are made, but the patterns that can come to exist inside the stuff of a brain.