In many ways Scotland will benefit more than other parts of the UK when universal credit comes in. A larger percentage of people will see an increase in their income through moving into work or taking on more hours.

We have to challenge the whole idea that it's acceptable for a society like Britain to have such a significant number of people who do not work one day of the week and don't have any possibility of improving the quality of their lives.

In many ways Scotland will benefit more than other parts of the UK when universal credit comes in. A larger percentage of people will see an increase in their income through moving into work or taking on more hours.

I am an optimist about the UK. We have been involved in trade with our European partners, which we will always be doing whatever this relationship is. We are a member of the EU. That gives us benefits. But we have to figure out where that is going. In the world, we are a global trader already.

What we want to do is reform the welfare system in the way that Tony Blair talked about 13 years ago but never achieved - a system that was created for the days after the Second World War. That prize is now I think achievable.

For those who are able to work, work has to be seen as the best route out of poverty. For work is not just about more money - it is transformative. It's about taking responsibility for yourself and your family.

Too many couples break up without understanding the consequences for their families.