Perhaps the most fundamental value of a liberal education is that it makes life more interesting.
It allows you to think things which do not occur to the less learned... it makes it less likely that you will be bored with life.
As quoted in "Kingman Brewster Jr., 69, Ex-Yale President and U.S. Envoy, Dies" in The New York Times (9 November 1988)
Kingman Brewster Jr., 69, Ex-Yale President and U.S. Envoy, Dies - NYTimes.com