You only live once - but if you work it right, once is enough.
- Joe E. Lewis
You are never given a wish without also being given the power to make it come true. You may have to work for it, however.
- Richard Bach, Illusions 
It has been my experience that one cannot, in any shape or form, depend on human relations for lasting reward. It is only work that truly satisfies.
- Bette Davis, The Lonely Life, 1962
When many work together for a goal, Great things may be accomplished. It is said a lion cub was killed By a single colony of ants.
- Saskya Pandita
By the work one knows the workmen.
- Jean De La Fontaine
Mistakes, obviously, show us what needs improving. Without mistakes, how would we know what we had to work on
- Peter McWilliams
The human race is faced with a cruel choice: work or daytime television.
Hard work never killed anybody, but why take a chance?
- Charlie McCarthy (Edgar Bergen)