In the first century A.D., members of the growing Church in Corinth were enthusiastic about the gospel. Almost all were recent converts to the Church. Many were attracted to it through the preaching of the Apostle Paul and others.

In spite of discouragement and adversity, those who are happiest seem to have a way of learning from difficult times, becoming stronger, wiser and happier as a result.

It is not hard for me to remember when I was in college. I loved many things about college life: I loved learning. I loved the comradery. And I loved football.

We should always be learning. However, we must be careful not to set aside our faith in the process, because faith actually enhances our ability to learn.

It's true I wasn't as important at Chelsea. I never demanded that. What I wanted was to be a champion, because few people get that. I succeeded. But the happiness wasn't there.

Sadness is a very interesting idea, this idea of sadness being some kind of default setting that artists will go into. And then I started thinking about this idea of sadness and happiness, and the idea that sadness is very loud, and happiness is quiet.

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.

To the scientist there is the joy in pursuing truth which nearly counteracts the depressing revelations of truth.