But he said he was thinking out loud and not making "rash accusations".
In 2012, months before facing voters again, he said his thinking had shifted and that he supported marriage rights for gays and lesbians.
But he said he was not thinking of resigning and would work with any prime minister who emerges.
He said that thinking about this "silent groundswell" should open up minds to the "deepest secret of all - the trust that the entire universe is held together by the quiet, unfailing generosity of God".
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He said that thinking about the afterlife in new terms leads to thoughts about what it means to be alive, saying that for some people the book was "a call to arms" to look at their actions during their lifetime and how we they do them better.
He said if he secures the nomination on Tuesday, he'll start thinking about that, and he said that he would be honored to serve alongside Joe Lieberman in any capacity.
Mr Grayling said he was thinking "very carefully" about how to act.
Stanford's Dr. Quake said he started thinking about the need for noninvasive tests when his wife was pregnant with their first child.
Lieberman, asked by CNN about a possible Democratic backlash against his stance, said he was thinking of what is best for Connecticut and the country.
"It was completely uncalled for, " said Rep. Steve LaTourette, an Ohio Republican who said he was thinking of voting for the bill until Mr. Weiner's speech.
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On Valentine's Day 2007, as his marriage was collapsing, Mr. Welch called Ms. Palermo from the balcony of his apartment building near Camp Pendleton in Southern California and said he was thinking of diving off.
He called the reversal "a real step in the right direction, " but said he was still thinking about dropping the online-video service because of the cost.
Or perhaps, it adds, Jospin simply said what he was thinking at that moment.
Henry Adams said he grew up thinking every respectable American family included at least one President.
Mr. Park said he has been thinking about ways to bring sewing machines into the high-tech world for 30 years.
Sorrentino said he found himself thinking about eateries in the New Jersey area that lost electricity during Irene and now must be feeling a sense of deja vu.
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"We had no idea he was thinking what we were thinking, " said Mr Howard, echoing a Tory election slogan.
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He said he was safe at that point, but thinking of his fellow soldiers who were still there, defenseless with no weapons.
But one person familiar with Mr. Paulson's thinking said he would never return to Goldman.
Crowley said he wasn't thinking about whether Lewis was black or a celebrity.
People familiar with his thinking said he has been fearful of the damage an IPO could do to the company culture.
People familiar with his thinking said he has been fearful of the damage an IPO could do to the company's culture.
But Mr Drakeford, who was appointed in a surprise reshuffle this month, said he would not be thinking about "kneejerk reactions".
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He also said what many are thinking about the looming report by Lord Hutton into the death of Dr David Kelly.
People familiar with Mr. Zuckerberg's thinking said he has long been fearful of the damage an IPO could do to the company's culture.
The firm's boss confided that he was completely surprised by the mergers, though publicly he said that Texaco had been thinking of doing the same.
Mr Drakeford, who was appointed in a Welsh government reshuffle, said he would not be thinking about "kneejerk reactions, " but warned that there could be consequences.
Others familiar with Hester's thinking said he would almost certainly stay at least until 2014, the scheduled completion of his five-year turnaround plan for the bank.
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