If he doesn't quit while he is still ahead, history may judge that Mr Uribe began to undo his own achievement.
Why not use this as an opportunity, if he has or if he hasn't quit smoking, to discuss this with the American people or even offer a warning to young children about smoking?
Striker Bellamy hinted in build-up to the game that he could quit football if he fails to make club team Manchester City's 25-man squad for this season.
Most of the pre-match talk focused on Ian Holloway's selection policy after the Blackpool boss threatened to quit if he is punished for making 10 changes for the midweek game against Aston Villa.
There was one difference between the two documents: a stipulation in the plant manager's version saying Casas would have to buy the special fire-retardant uniforms for his 85 workers if he ever decided to quit Cintas.
Holloway, who made the original claim immediately after the match, said again on Thursday he would quit if punished.
David Levy, the foreign minister, confirmed this impression when he let it be known that he would quit if Oslo were abandoned.
Mr Trimble pledged to his party last year that he would quit if the IRA had not started decommissioning its arsenal by the end of January, saying that there cannot be an "armed peace".
Vaughan said he had made a decision earlier in the summer to quit if his team were unable to beat South Africa, and he delivered on his promise to himself.
Armstrong's response when asked if he would carry on competitive riding if he was defeated this year however suggests failure could see him quit.
Last month, 50 Cent said he'd quit rapping if Kanye West's album, "Graduation, " outsold his album "Curtis" in its first week.
If this research is valid, I guess if he wants to move up he should quit reading about vampires and start acting more like one.
He also warns that if Greece were to quit the euro and return to a national currency, such as the drachma, the move would result in years of turmoil and cost money the nation does not have.
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Al-Khatib, a respected preacher who has led the Syrian National Coalition since its creation late last year, said in a statement posted on his Facebook page that he was making good on a vow to quit if certain undefined "red lines" were crossed.
"If I were the AACS, I would quit while I was behind, " he says.
If not, it's off he'll go as the oldest champ to quit on top.
For example, if you take away a poacher's snares and traps he's likely to quit the business rather than buy more.
It is unknown if Xiao is currently employed or not (he had previously worked at a software development company but quit after three months).
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Jacobo testified that when Rizzo told her that he was increasing her salary enough that she could quit her job selling real estate, she asked the former city attorney if that was legal and he assured her it was.
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