Australian Nicholas James Vujicic gives motivational speeches and shares ideas on social media to inspire worldwide audiences. [Photo provided to China Daily]

Vujicic lives with his wife, Kanae, whom he married in 2012, in southern California. They have two sons and are expecting twin girls.

His first book, Life Without Limits: Inspiration for a Ridiculously Good Life, was published seven years ago and has since been translated into more than 30 languages. He also has a motivational DVD, Life's Greater Purpose.