The problem with any ideology is that it gives you the answer before you examine the evidence.

I think if the White House or the President want to say anything about our conversations or anything I tried to do to help our country with their support or at their request, then I think they should be the ones to do that. But I think that former presidents should do that.

Sometimes I think the environment in which we operate is entirely too secular. The fact that we have freedom of religion doesn't mean we need to try to have freedom from religion

Our generation, like the one before us, must choose. Without the threat of the Cold War, without the pain of economic ruin, without the fresh memory of World War II's slaughter, it is tempting to pursue our private agendas -- to simply sit back and let history unfold. We must resist the temptation.

We simply have to transition from an economy based almost exclusively on oil and coal and natural gas to one that's far more diversified, that uses solar energy, and wind energy, and the power of the tides, and bio-mass energy, and eventually, develops hydrogen.

Being president is like running a cemetery: you've got a lot of people under you and nobody's listening.

For too long we've been told about 'us' and 'them.' Each and every election we see a new slate of arguments and ads telling us that 'they' are the problem, not 'us.' But there can be no 'them' in America. There's only us.