Despite her early passion, Ferguson spent the first chunk of her career as a classical musician.

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Princess Alice held a passion for travel and spent time in Kenya, India, Afghanistan and Australia.

BBC: NEWS | UK | Princess Alice dies aged 102

Clarity of purpose and passion ruled the day with less time spent writing about an idea and more time spent just doing it.

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At the beginning of an interview for a profile I was writing about her biotech company, we spent some time talking about her first passion, which was space.

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Christie's in New York will be selling the collection of Dean Edell, surgeon turned radio-and-TV doc, who has spent the last 20 years cultivating a passion for such materials.

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We spent a lot of money to get there but we didn't see any passion at all from the players.

BBC: Defeated England football team arrive home