Success doesn't mean the absence of failures; it means the attainment of ultimate objectives.
A few fat files are better than a lot of thin ones.
Once you start something, finish it. Don't accumulate a backlog of unfinished projects.
Bottlenecks are usually at the tops of bottles.
The pursuit of excellence is gratifying and healthy. The pursuit of perfection is frustrating, neurotic, and a terrible waste of time.
If you are too busy to exercise, you are too busy.