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.
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.
The truth, it is said, is rarely pure or simple, yet genetics can at times seem seductively transparent.
Over recent years, urbanisation, globalisation and the destruction of local cultures has led to a rise in the prevalence of mental illness in the developing world.
In Shakespeare, unique individuals repudiate the stereotypes demanded by the structure of the play: Shylock commands our sympathy, Barnardine refuses to be hanged. Individuals trump the category.