Carved above the lintel were the words SCIENTIA POTESTAS EST. Science points east, I wondered? Science is portentous, yes? Science protests too much. Scientific potatoes rule. Had I stumbled on the lair of dangerous plant geneticists?

It's a sad fact of modern life that if you drive long enough, sooner or later you must leave London behind.

Landscaping is the great cardinal sin of modern architecture. It's not your garden, it's not a park - it's a formless patch of grass, shrubbery and the occasional tree that exists purely to stop the original developer's plans from looking like a howling concrete wilderness.

When you're a boy your life can be measured out as a series of uncomfortable conversations reluctantly initiated by adults in an effort to tell you things that you either already know or really don't want to know.

The first rule about a black woman’s hair is you don’t talk about a black woman’s hair. And the second rule is you don’t ever touch a black woman’s hair without getting written permission first.

The general public have a warped view of the speed at which an investigation proceeds. They like to imagine tense conversations going on behind the venetian blinds and unshaven, but ruggedly handsome, detectives working themselves with single-minded devotion into the bottle and marital breakdown. The truth is that at the end of the day, unless you've generated some sort of lead, you go home and get on with the important things in life - like drinking and sleeping, and if you're lucky, a relationship with the gender and sexual orientation of your choice.

Actually I'd always thought he sat in the library with a slim volume of metaphysical poetry until the commissioner called him on the bat phone and summoned him into action. Holy paranormal activity, Nightingale - to the Jag mobile.