Authors:

The problem of restoring integration and co-operation between man's beliefs about the world in which he lives and his beliefs about values and purposes that should direct his conduct is the deepest problem modern life. It is the problem of any philosophy that is not isolated from life.

John Dewey, Jo Ann Boydston, Stephen Toulmin (2008). “The Later Works, 1925-1953: 1929”, p.204, SIU Press
The problem of restoring integration and co-operation between man's beliefs about the world in which he lives and his beliefs about values and purposes that should direct his conduct is the deepest problem modern life.