A significant number of petroleum geologists believe that we will reach the global maximum of petroleum extraction within this decade or that we have already reached it. Peak Oil happened in 1970 in America, when over half of our oil that we gained from the soil was exhausted ... This is very disturbing, regardless of global warming.

A preemptive action today, however well-justified, may come back with unwelcome consequences in the future. And because... I've done this. I've ordered these kinds of actions - I don't care how precise your bombs and your weapons are, when you set them off, innocent people will die.

The earth is warming at an alarming rate, we are running out of fossil fuels, and it is long past time for us to take action to correct these problems.

During the sole argument we had when [Chelsea] was in high school, the subject of which I don't even remember, I looked at her and said, 'As long as you're in this house, being president is my second most important job'.

We [Democrats] have got to be strong. When we look weak in a time where people feel insecure, we lose. when people feel uncertain, they'd rather have somebody who's strong and wrong than somebody who's weak and right.

If you live long enough, you'll make mistakes. But if you learn from them, you'll be a better person. It's how you handle adversity, not how it affects you. The main thing is never quit, never quit, never quit.

Indeed, I did have a relationship with Miss Lewinsky that was not appropriate. In fact, it was wrong.