Full Idea
Truth is what unites. ...[p.145] The most profound truth is that which all men might understand so as to form one community.
Gist of Idea
Truth is what unites, and the profound truths create a community
Source
Karl Jaspers (Philosophy [1932], vol.2)
Book Reference
'Existentialism', ed/tr. Solomon,Robert C. [Modern Library 1974], p.144
A Reaction
Nice slogan, for robust realists like me. The hallmark of truth is our convergence on it. This is a 20th century existentialist perfectly expounding the enlightenment dream. The best rhetoric is truthful rhetoric.