To understand something, whether we are aware of it or not, depends on choosing a model. We get to understand what we see by comparing it with something else, something that we think we understand better. But what we compare it with turns out to have a huge influence on the outcome.

It is not rational to assume, without evidence, that rationality can disclose everything about the world, just because it can disclose some things. Our intuition in favour of rationality, where we are inclined to use it, is just that - an intuition. Reason is founded in intuition and ends in intuition, like a pair of massive bookends.

The world appears rectilinear, but is in fact curvilinear - a literal truth in physics, and a metaphorical one in metaphysics.

Iain McGilchrist Quotes