If you had to rate your satisfaction with your life so far, out of 10, what would you score?

“I like the number eight. When you turn it through 180 degrees, it becomes infinity.”

Hans Ulrich Obrist, quoted in the Financial Times, 4/5 August 2018.

LATER Clive Page emails to point out that the trick only works if you rotate 8 through 90 degrees! Which is embarrassing for the esteemed FT sub-editors, not to mention this blogger!