I have recently received emails about my work into the pace of life, and so I thought that it would be a good time to reflect on the topic.

I’ve always been fascinated by the work of the late, great psychologist Robert Levine. In the early ‘90s, Robert pioneered a brilliant way to measure the pace of life in cities by secretly timing how fast pedestrians walked.

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I am a huge fan of Dale Carnegie and mention him in pretty much every interview I give. Carnegie was American, born in 1888, raised on a farm, and wrote one of the greatest self-help books of all time, How to Win Friends and Influence People. The book has now sold over 30 million copies worldwide.

I first came across his work when I was about 10 years o...