H. G. Wells Quote

Every time I see an adult on a bicycle, I no longer despair for the future of the human race.

Attributed in: The Rights of Man (ed. Penguin UK, 2015) - ISBN: 9780241976753
Probably apocryphal. As the Quote Investigator pointed out, the quotation appears in the introductory essay by Ali Smith, and was not penned by H. G. Wells.