Work is the act of expending effort to improve the world.  Work is therefore at the heart of happiness in the short run and in the long run.  

Work tends to be local and specific in nature and can seem unromantic or small.  But all positive changes brought about by men come through work.  

It's nice when work feels like play. 

Many emotions pass through a mind as storms.  Storms pass and the life that you build remains.  These temporary emotions cannot be allowed to get in the way of things of enduring importance. 

Whatsoever thy hand findeth to do, do it with thy might. Eccl 9:10

People are more important than things.

I live so that if my private actions and thoughts were known I would be proud rather than ashamed.

I strive for excellence recognizing that I'll have to pass through plenty of humorous mediocrity on the journey.

Life is short and precious.  There isn't time for much whining.

I can do almost anything.  I can't do almost everything.

With 10 years of steady effort, one can achieve expertise in a field.  It is worth noting, therefore, that one will not be an expert in most things.  If one wants to do something worthwhile, therefore, it may be wise to begin doing it now rather than waiting for expertise first.

When you see things in their true light only two emotions make sense.  Those two emotions are love and gratitude.