Nroug7: A door to a house is vital, however, if one does not build stairs then the door is pointless. In order for the door to be useful, stairs must follow.
Intelligence in ones life is vital, however, if one does not seek understanding then intelligence is wasted. In order for intelligence to be useful, understanding must follow.
or as the always wonderful Dr. Carl Sagan puts it.
“... the use of our intelligence quite properly gives us pleasure. In this respect the brain is like a muscle. When we think well, we feel good. Understanding is a kind of ecstasy.”