Full Idea
There is hope that the highest purpose of nature, a universal cosmopolitan existence, will at last be realised as the matrix within which all the original capacities of the human race may develop.
Gist of Idea
The highest ideal of social progress is a universal cosmopolitan existence
Source
Immanuel Kant (Idea for a Universal History [1784], 8th)
Book Reference
Kant,Immanuel: 'Political Writings', ed/tr. Reiss,Hans [CUP 1996], p.51
A Reaction
Apart from Diogenes of Sinope, Kant seems to have been the first great champion of the cosmopolitan ideal. As I write (2018) the western world is putting up growing barriers against immigrants. I think my response may be to adopt Kantian cosmopolitanism.
Related Idea
Idea 1764 Diogenes said he was a citizen of the world [Diogenes of Sin., by Diog. Laertius]