Like Mr Miller, Mr Mason's success has been based on making unusual and optimistic bets.
It's not easy, but at 49, Jack remains determined, at turns realistic and optimistic.
"We remain calm and optimistic, " said the Spaniard, who dropped from third to fourth in the championship.
As sobering as the U.S. debt estimates are, they are incomplete and optimistic.
How does that make us more fearful, more hesitant, less innovative and optimistic?
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These biological motivators kick-start our rainy and sunny brain circuits, which, in turn, underlie our pessimistic and optimistic mindsets.
See, I think you can be realistic and optimistic at the same time.
"I think my best years are still ahead of me, and I'm very confident and optimistic about the future, " he said.
But Clinton and Republican leaders are in a hurry, and optimistic they can bridge their differences by the end of the month.
Despite so many fruitless hours, rescuers remain determined and optimistic, although Mr Parker says the mental pressure on them is beginning to show.
BBC: New Zealand quake: UK search-and-rescue team optimistic
For the more adventurous and optimistic, there's the lure of potentially huge returns, if Europe dodges disaster, or, in the aftermath of a crash.
In normal times, politicians who appear likable and optimistic will be more successful than those who are strident and demand their philosophy be strictly followed.
Upbeat and optimistic employees create a working environment that is unique, spawns new ideas and, just as important is enjoyable for the other people involved.
In the midst of the snap back rally you will see a lot of false hope and optimistic expectations that the worst is behind us.
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Mr Shima had not personally done the original and optimistic arithmetic, but he took responsibility for it, as did the president of the National Railways.
Vietnam's leaders, along with its youthful and optimistic population, genuinely seem to have overcome any bitterness about past conflicts and are looking firmly to the future.
Visioneers and the communities of researchers, futurists, and entrepreneurs they attracted have often existed at the blurry border between scientific fact, technological possibility, and optimistic speculation.
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"Inspired by the people with cancer whom we serve, we feel confident and optimistic about the Foundation's future and welcome an end to speculation, " the group said.
The women in that group are both ambitious and optimistic.
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It is thanks to him, more than anybody else, that the Democratic base is now as energised and optimistic as it was passive and pessimistic back in 2002.
But with the governor popular and the public more content and optimistic, it will be hard for any Democratic nominee to convince voters that it's time for a change.
Zimring insists, plausibly, that he is offering a radical and optimistic rewriting of theories of what crime is and where criminals are, not least because it disconnects crime and minorities.
And optimistic words and phrases will be periodically employed.
I've known him since he was an ambitious (and optimistic) Conservative candidate in the 1989 by-election when he came within 15, 000 votes of turning Pontypridd blue (I told you he was optimistic).
Today, there seems to be ample reason for pessimism and little about which to be confident and optimistic in social welfare, economic and financial, fiscal and financial sector trends in Japan.
Mr. MICHAEL O'HANLON (Senior Fellow, Brookings Institution): Certainly some of them were guilty of an overly arrogant and optimistic view of how the United States would be welcomed wherever it went around the world.
As we look across the business landscape, I am excited and optimistic about what the future holds and the role that Microsoft can play in helping people succeed in every function across an organization.
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"He was purposeful, principled and optimistic, " said Alexander.
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