Winning battles is often about timing.

The more I approached people, the more approachable I became.

If you met Lewis in the street, you might guess that he was a lawyer or a kindly geography teacher. In fact, he was one of the most efficiently deadly men in the British services.

If it feels like ‘temptation’, it’s a bad decision.

You need to be able to dodge bullets out there. Your awareness has to be keen enough that you can anticipate exactly what’s going to happen next. You just can’t do that if you’re thinking about the broken dishwasher or the rash on your kid’s arse. It was much more important that I came back alive.

There’s always a route around your weakness.

Don’t be intimidated by all the people you have to beat to get to the top.

The smart people in the room aren’t the ones giving it out – they’re the ones taking it all in.

moulded in the fire that naturally burns when impossible situations meet relentless individuals.