What would the world look like if people didn’t make mistakes?

. UK edition

A man in a smart suit, arms crossed, with a halo above his head

The long-running series in which readers answer other readers’ questions on subjects ranging from trivial flights of fancy to profound scientific and philosophical concepts

What would the world look like if nobody ever made a mistake? Ian Osborne, Worcestershire

Post your answers (and new questions) below or send them to nq@theguardian.com. A selection will be published next Sunday.