“One thing that being a scientist has taught me is that you can never b...” — James Lovelock Quote

One thing that being a scientist has taught me is that you can never be certain about anything. You never know the truth. You can only approach it and hope to get a bit nearer to it each time. You iterate towards the truth. You don't know it.

NASA will send up a big sun shade that will be in orbit between the earth and sun and deflect 2 or 3 percent of the sunshine back into space. It would be cheaper than the international space station.

We rushed into renewable energy without any thought. The schemes are largely hopelessly inefficient and unpleasant. I personally can't stand windmills at any price.

A billion could live off the earth; 6 billion living as we do is far too many, and you run out of planet in no time.

Because Led Zeppelin weren't having to worry about doing singles, each time we went in to record, it was a body of work for an album. So you could get the shift and the movement forwards as opposed to having to be rooted back to a single that might have been done a year ago.

Each time you go to the grocery store with your kids, it is a potential learning opportunity. In order not to overemphasize materialism, focus on other things to do with money. In 'Beyond the Lemonade Stand,' I try to emphasize the importance of saving money, and of using it to help other people.

Each time you see a Western movie, it's a good reflection of where things are in the world at that time. It's probably one of the purest forms of cinema that really tells you where the world is.

I have visited Ajmer Sharif Dargah a couple of times before, and each time, it fills my heart with so much love and gratitude.