“There is no doubt that we live in an age of unprecedented, and sometimes terrifying, technological advance where the speed of advance so often outstrips the necessary ethical considerations.”

I think we’d be very foolish to expect that we can just import everything from somewhere else and imagine that that’s going to last for ever and ever and ever.

I sometimes wonder if two thirds of the globe is covered in red carpet.

Do you seriously expect me to be the first Prince of Wales in history not to have a mistress?

I was totally absorbed. I was in another world, or another dimension; all sense of time evaporated.

As technology advances at an alarming pace, the place of drawing remains as valid as ever in the creation of art and architecture.

The demand for organic food is growing at a remarkable rate. Consumers have made it clear that they want organic produce and every sector of the food chain is responding, with the kind of results we have just seen.

A jostling scrum of office buildings so mediocre that the only way you ever remember them is by the frustration they induce – like a basketball team standing shoulder to shoulder between you and the Mona Lisa.

The price of apparently cheap food is costing nothing less than the Earth!

To avert disaster, we have not only to teach men to make things but to teach them to have complete moral control over what they make.

Forests are the world’s air-conditioning system-the lungs of the planet-and we are on the verge of switching it off.

All I’m saying is that there is a price to be paid at the sharp end environmentally and everywhere else for the food that is produced in a particular way.

My Rainforests Project has three main elements. Firstly, to determine how much funding the rainforest countries need to re-orientate their economies so that the trees are worth more alive than dead.

Your greatest achievement is to love me.

The whole imposing edifice of modern medicine is like the celebrated tower of Pisa – slightly off balance.

I think we need to recover the depth, the subtlety, the generosity of imagination, the respect for wisdom that so marked Islam in its great ages.

If your children want to alter society, listen to their reasons and the idealism behind them. Don’t crush them with some clever remark straight away.

Men who have reached and passed forty-five, have a look as if waiting for the secret of the other world, and as if they were perfectly sure of having found out the secret of this.

Being seventy is not a sin. It’s not a joy, either.

It’s hard to find true love in the age of digital sex.

Why were you so old when we met? I answered with the truth: Age isn’t how old you are but how old you feel.

I’m not a prophet or a stone aged man, just a mortal with potential of a superman. I’m living on.

At an early age, my mother gave me this feeling that anything is possible, and I believe that.

Never bored, so I’ll never get old.

Old age is like a plane flying through a storm. Once you’re aboard, there’s nothing you can do.