Gore: "I'm naturally an optimist, but my basis for hope is rooted in my understanding of human nature."

Gore: "If you want your energy bills to go up, you should support an ever greater dependence on foreign oil, because the rate of new discoveries is declining as demand in China and India is growing, and the price of oil and thus the price of coal will go sky high."

Gore: "We need to remake the Democratic party. We need to remake America."

Gore: "The struggle against poverty in the world and the challenge of cutting wealthy country emissions all has a single, very simple solution... Here it is: Put a price on carbon."

Gore: "It's a blessing to have work that feels fulfilling."

Gore: "There are many who would much prefer that the word 'climate' never be mentioned and that the issue be eliminated from our national conversation."

Gore: "We are going to have the best educated American people in the world."

Gore: "The dominance of short-term perspectives has led to routine decisions in the markets that sacrifice the long-term buildup of genuine value in pursuit of artificial, short-term gains."

Gore: "America's political system has evolved over the last 50 years in ways that have enhanced the power of business lobbies."

Gore: "I took the initiative in moving forward a whole range of initiatives that have proven to be important to our country's economic growth, environmental protection, improvements in our educational system."

Gore: "No matter how hard the loss, defeat might serve as well as victory to shake the soul and let the glory out."

Gore: "Population growth is straining the Earth's resources to the breaking point, and educating girls is the single most important factor in stabilizing that. That, plus helping women gain political and economic power and safeguarding their reproductive rights."

Gore: "The first less is this: take it from me, every vote counts."

Gore: "For a free country to continue thriving, there have to be regular reforms, because any society, any economy that stays in place, you're going to see repeated attempts to exploit the openings for twisting policy to the advantage of those who already have wealth and power."

Gore: "There are skeptics who do not come to their view because they have a source of income from carbon polluters."

Gore: "As human beings, we are vulnerable to confusing the unprecedented with the improbable. In our everyday experience, if something has never happened before, we are generally safe in assuming it is not going to happen in the future, but the exceptions can kill you and climate change is one of those exceptions."

Gore: "I take no pleasure in the fact that the scientific predictions I've relayed to popular audiences turn out to be true.

Gore: "I do genuinely believe that the political system is not linear. When it reaches a tipping point fashioned by a critical mass of opinion, the slow pace of change we're used to will no longer be the norm. I see a lot of signs every day that we're moving closer and closer to that tipping point."

Gore: "When you have the facts on your side, argue the facts. When you have the law on your side, argue the law. When you have neither, holler."

Gore: "I've learned the importance of changing people's minds at the grassroots level so that whoever does run will have a much better chance of encountering public opinion that reaches a critical mass and brings about a change not only in White House policies but in the Congress and in the state legislatures and all around the world."

Gore: "Consider what kind of car you get. Buy cars and other products that have the least impact environmentally."

Gore: "CO2 is the exhaling breath of our civilization, literally... Changing that pattern requires a scope, a scale, a speed of change that is beyond what we have done in the past."

Gore: "You know the old saying: you win some, you lose some... and then there's that little-known third category."

Gore: "There is the natural tendency that all of us are vulnerable to, to deny unpleasant realities and to look for any excuse to push them away and resolve to think about them another day long in the future."

Gore: "I think the cost of energy will come down when we make this transition to renewable energy."

Gore: "The entire North Polar ice cap is disappearing before our very eyes. It's been the size of the continental United States for the last 3 million years and now 40 percent is gone and the rest of it is going."

Gore: "In digital era, privacy must be a priority. Is it just me, or is secret blanket surveillance obscenely outrageous?"

Gore: "While President Bush likes to project an image of strength and courage, the real truth is that in the presence of his large financial contributors, he is a moral coward."