Alter Your Attitude, Alter Your Life!

The greatest discovery of my generation

is that human beings can alter their lives

by altering their attitudes of mind.

~William James  (1842-1910)

William James was an original thinker in and between the disciplines of physiology, psychology and philosophy. 

Continue here:  http://plato.stanford.edu/entries/james/

also, ATTITUDE (PSYCHOLOGY):  http://en.wikipedia.org/wiki/Attitude_(psychology)