One of my first political campaigns was the 1979 referendum on a Scottish Assembly, as it was then styled.

The failure of that campaign was formative in my political thinking.  We all learned the hard way some simple political truths. Constitutional change is only achieved by working with people from other parties and of no party and that our liberal vision of Home Rule for Scotland within a strong federal United Kingdom is more relevant today than it has ever been.

As a teenager growing up in a small tight-knit island community I also quickly realised that local communities were best placed to make the decisions that affect them. We also understood that Government in Edinburgh was just as capable of getting things wrong for us as government in London.

Fast forward thirty five years and it was a proud day for me as Secretary of State for Scotland when we won decisively the vote to keep our 300 year old family of nations together with a promise of extensive new powers for our Scottish Parliament.

We set up the cross-party Smith Commission to bring people together and build consensus on what these new powers should be.

No party got everything they wanted but we owed it to the majority of Scotland who made the democratic decision to reject independence to see through their desire for more powers – a desire shared by our party.

I was pleased the Smith Commission aimed high.

The draft clauses I have published today will mean our Scottish Parliament will raise over half of what it spends. It will create a new Scottish Welfare State System with a starting budget of more than £2.5 billion.

And it will introduce votes for 16 and 17 years olds for Holyrood and local government elections.

Smith also made another important point that has not received the attention that it deserves, namely that the process of devolution should not stop in Edinburgh but should be driven to local communities across Scotland.