A professional is someone who can do his best work when he doesn't feel like it. --Alistair Cooke
Only he is successful in his business who makes that pursuit which affords him the highest pleasure to sustain him. --Henry David Thoreau
When love and skill work together, expect a masterpiece. --John Ruskin
Labor disgraces no man; unfortunately, you occasionally find men who disgrace labor. --Ulysses S. Grant
The road to happiness lies in two simple principles: find what it is that interest you and that you can do well, and when you find it put your whole soul into it-every bit of energy and ambition and natural ability you have. --John D. Rockefeller III
Striving for success without working is like trying to harvest where you haven't planted. --David Bly
The more I want to get something done, the less I call it work. --Richard Bach
In all human affairs there are efforts, there are results, and the strength of the effort is the measure of the result. --James Lane Allen