Here's the version that is the most common, and it is mostly found attributed to "unknown" or unattributed. A couple webpages say:
Life is not the way it is supposed to be.
It is the way it is.
The way you cope with it
is what makes the difference.
~(found attributed to) Virginia Satir
http://www.angelfire.com/ky/austinpaul/ ... quote.html
An extensive study of 1000 top business people on what they considered to be the characteristics of excellence revealed the following
-Develop a positive attitude and plenty of self-confidence.
-Accept that life isn't the way it is supposed to be but it is the way it is!
-Be decisive, disciplined goal setters.
-Maintain a high level of integrity.
-Develop a healthy lifestyle producing high levels of energy.
-Believe in a higher power.
-Develop a sense of personal purpose and a desire to contribute to the betterment of society.