Boris Johnson meets with Finnish president Sauli Niinistö

The speaker greets the audience and expresses gratitude for the opportunity to meet in Helsinki. They discuss the importance of a solemn declaration agreed upon, highlighting its significance in the current challenging times and the need to address governmental aggression. The speaker concludes by thanking the audience for their hospitality.

What does the speaker mean by 'we have to take that back'?

What feelings does the speaker express about being in Helsinki?