In the margin for error lies all our room for maneuver.

London always reminds me of a brain. It is similarly convoluted and circuitous. A lot of cities, especially American ones like New York and Chicago, are laid out in straight lines. Like the circuits on computer chips, there are a lot of right angles in cities like this. But London is a glorious mess. It evolved from a score or so of distinct villages, that merged and meshed as their boundaries enlarged. As a result, London is a labyrinth, full of turnings and twistings just like a brain.

The mind revels in conjecture. Where information is lacking, it will gladly fill in the gaps.

By bringing together what we know and what we don't know through analogy, metaphorical thinking strikes the spark that ignites discovery.

In the margin for error lies all our room for maneuver.

Metaphors hide in plain sight, and their influence is largely unconscious. We should mind our metaphors, though, because metaphors make up our minds.

Heroism often results as a response to extreme events.