I don't like Paris so much, and it's only eight shows. I mean, don't tell them that, of course. But everyone always thinks they're so important. And I'm sure they are. But to me, my happiness is more important.

When Kate was born, she was born into a world of joy and happiness and confidence. The difference between the children is night and day. She's happy, she's thriving, she's full of self-confidence. I tell her she's beautiful every day before I send her off to school.

Shall I give you my recipe for happiness? I find everything useful and nothing indispensable. I find everything wonderful and nothing miraculous. I reverence the body. I avoid first causes like the plague.

I visited those friends who'd just had a baby, and she was washing dishes and he was cleaning the house, and I burst with happiness. And in their minds, they were in this terrible domestic rut.

The Divine of the Lord in heaven is love, for the reason that love is receptive of all things of heaven, such as peace, intelligence, wisdom and happiness.

Is anyone serious about the politics of happiness? David Cameron dipped a toe in the water, using the word lightly, but denying the hard policies it implies. Labour shies away from it, but should take up the challenge.

Happiness is a real, objective phenomenon, scientifically verifiable. That means people and whole societies can now be measured over time and compared accurately with one another. Causes and cures for unhappiness can be quantified.

Inequality makes everyone unhappy, the poor most of all, and that is well within the remit of the state. More money gives less extra happiness the richer we get, yet we are addicted to earning and spending more every year.

Inside every adult there's still a child that lingers. We're happiness merchants - giving people the opportunity to dream like children.

You find happiness where you find it.