You need to have a plan in place to guide your successor and set them up for success, or else the whole thing is futile.
He has given no indication of a successor or a new set of inflation targets.
After one pioneering executive died, his successor didn't just set out to protect a legacy, he wore the dead man's gray suits, telling people that the outfits shouldn't go to waste.
For example, he said staff of BP's new Safety and Operational Risk organisation, set up by Mr Hayward's successor Bob Dudley in 2011, now had the authority to order that an operation be stopped, when the previous safety body had more of an advisory role.
With the 2015 election approaching, so is the moment when MPs who've had enough will have to tell their local parties and set the process in train to find their successor.
As the first female Chief of Staff under reformist President Lula da Silva, appointed in 2005, she was widely expected to be his successor to continue the Workers Party's economic policies set in motion during his term.
Pearson, speaking after his successor Paulo Sousa was sacked, with Sven-Goran Eriksson set to take over, was unhappy the club did not try hard to keep him.
After Jackson declared that he had no interest in directing five movies set in Middle Earth, del Toro was named his successor.
He has become a revered figure within baseball and has set a legacy that is unlikely to be matched by his successor.
As a result, many have suggested that the U.S.-brokered process is aimed at undermining broader talks sponsored by the United Nations, set to begin in Indonesia in December, to draw up a successor treaty to the Kyoto Protocol, which expires in 2012.
While Benedict has no direct involvement in the selection of his successor, his influence will be felt: He appointed 67 of at least 115 cardinals set to make the decision.
CNN: Cardinals meet Monday, could set date to elect new pope
But Mugabe refuses to set a date for his own exit, or to throw his weight clearly behind a successor.
Rumour has it that one of the main tasks set by the Vatican for the new archbishop will be to prepare his flock for a Latino successor.
The inflation set off by Alan Greenspan's mistaken monetary extravagance in 2004 has not been fixed by his successor.
Now, the process of reviewing and selecting a successor to Justice Souter has been rigorous and comprehensive, not least because of the standard that Justice Souter himself has set with his formidable intellect and fairmindedness and decency.
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