I've done the London Marathon. Actually, I was watching! I took my BIL one year. He did it 3hrs 23 mins. Standing on Tower Bridge as it bounced with the number of runners going over it was a bit spooky. Good exercise though!
Bertrand Russell: that is logical positivists for you
( any statement must be experimentally verified, or else it is not a statement. That leaves plenty of room for sentences that are iffy
xc for ABers who state opinions as fact and delete anyone who disagrees)
No, tend to pick up jobs via word of mouth, not really into doing stuff for money, more because an idea interests me. Usually just get material costs back plus p and p