When he starts an awkward climb he reckons up all the obstacles and is ready to get round them when they come.

The plan's good.

People like Mortimer don't get stuck." "It's possible, but I expect they miss something now and then.

There isn't much thrill in knowing you are safe." "Sometimes you play up rather well," Barbara remarked.
"I'm not playing up.

I'm preaching my code.