General Election 2015 - Nick Clegg Announces Stability Budget

The speaker outlines a vision for political reform, emphasizing the need to add compassion to Conservative policies and intelligence to Labour strategies. They promise stability and unity for the nation, highlighting the Democrats' balanced approach to economic management. The speech concludes with a call to prioritize national interest for a stronger economy and fairer society.

What does the speaker mean by 'building a stronger economy and a fairer society'?

What is the overall message the speaker is trying to convey in their speech?