I equals all of the ifs added up over time. The ifs, those are the possibilities; that's infinite for all of us. Every day there are just millions of them. Time, that's finite for each of us; there is no question there. Maybe if you divide choices by the amount of time you have, the real I can emerge, depending upon those choices.
One of the attractive things about being in Scotland is that we have a very good pipeline of new people coming into the company from the excellent universities around us.