Full Idea
We want our philosophising to illuminate the free, original, communicative grasp on being that will let us meet the constant threat of solipsism or universalism in existence.
Gist of Idea
We want the correct grasp on being that is neither solipsism nor absorption in the crowd
Source
Karl Jaspers (Philosophy [1932], vol.2)
Book Reference
'Existentialism', ed/tr. Solomon,Robert C. [Modern Library 1974], p.143
A Reaction
This sounds like the political wing of existentialism: the aim to get the right relationship between citizens - not too withdrawn, and not swallowed in the crowd. Liberal democracy, I should think.