A few fat files are better than a lot of thin ones.
The pursuit of excellence is gratifying and healthy. The pursuit of perfection is frustrating, neurotic, and a terrible waste of time.
Once you start something, finish it. Don't accumulate a backlog of unfinished projects.
Of all the time-saving techniques ever developed, perhaps the most effective is the frequent use of the word no.
The precise statement of any problem is the most important step in its solution.
Bottlenecks are usually at the tops of bottles.