Harrington said he had no regrets, despite finishing second for the 18th time in his career.

BBC: Davis Love weighs up a putt during his final round

The influential tech publisher weighs in on secrets of success, his biggest regrets, and prospects for eternal life.

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He makes fleeting allusions to his periods of wayward behavior, which he regrets, and his high hopes for a real-estate venture in Spain were blasted by the global recession, which he had predicted with fateful accuracy.

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His sharpness and arrogance fell away, and he was revealed as a man shaken to his core by cancer--someone who has learned what it's like to be vulnerable and frightened, someone who now regrets his oft-displayed lack of sympathy for the vulnerable and frightened in the poorest precincts of his city.

CNN: Rudy's soulful exit

If he does go, it will be for the Ryanair and I have no regrets not entering him for the Gold Cup with Kauto Star and Denman being in there.

BBC: Alain Cawley rides Joncol to win the Hennessy Gold Cup

At the moment he has not made a definite decision but has admitted he regrets the Olympic furore of last year when a newspaper claimed he would prefer to play for Team GB in Brazil.

BBC: Rory McIlroy: I may not play in Rio Olympics