"I don't just want a better deal for Britain. I want a better deal for Europe too. So I speak as British prime minister with a positive vision for the future of the European Union. A future in which Britain wants, and should want, to play a committed and active part."
"The gift of fantasy has meant more to me than my talent for absorbing positive knowledge."David Cameron on Albert Einstein
"I do believe we're all connected. I do believe in positive energy. I do believe in the power of prayer. I do believe in putting good out into the world. And I believe in taking care of each other."David Cameron on Harvey Fierstein
"Once you replace negative thoughts with positive ones, you'll start having positive results."David Cameron on Willie Nelson
"Positive thinking will let you do everything better than negative thinking will."David Cameron on Zig Ziglar
"If you're not making mistakes, then you're not doing anything. I'm positive that a doer makes mistakes."David Cameron on John Wooden
"I have no time for those who say there is no way Scotland could go it alone. I know first-hand the contribution Scotland and Scots make to Britain's success - so for me there's no question about whether Scotland could be an independent nation."
"Half a century ago, the amazing courage of Rosa Parks, the visionary leadership of Martin Luther King, and the inspirational actions of the civil rights movement led politicians to write equality into the law and make real the promise of America for all her citizens."
"There's another way we are getting behind business - by sorting out the banks. Taxpayers bailed you out. Now it's time for you to repay the favour and start lending to Britain's small businesses."
"I think it true that, you know, sometimes things start to change even before a government changes and, actually, I think you can begin to see even the Labour machine beginning to understand that it has become over-reliant on targets and processes, that local governments have been over-bossed and bullied."
"We have the character of an island nation: independent, forthright, passionate in defence of our sovereignty. We can no more change this British sensibility than we can drain the English Channel. And because of this sensibility, we come to the European Union with a frame of mind that is more practical than emotional."