The Icelandic parliament, the oldest in the world, is called the Thingmote.
This expression contains in frozen form one of the great lost insights about human communications.
When we explore the roots of the word 'thing', we will find to our surprise that it contains the root idea of a 'matter of concern' within the Sanskritic-Greek-German tradition.
They inspire thinking seriously and deeply because they affect whole communities, both formal and informal.
Heidegger, deeply involved with etymology, developed the notion of thinking about serious things as a form of life-praise, and coined the pregnant expression that 'To think is to thank'.