Always seeking perfection will exhaust you, but eliminating more errors is possible with a few tips. 1) Do creative work during the day when you are more alert. 2) Step away from your work for at least 15-20 minutes before checking it for mistakes. Not doing so will cause you to overlook even obvious errors. 3) Your reputation at work is built via three primary channels: quality work, responsiveness to others, and ability to engage productively with those around you." A google search will reveal how heartily this principle is valued by management. Completed staff work means doing things so thoroughly that an answer to nearly every possible question accompanies the final product. Understand and apply this principle whenever possible and you'll amaze others with your competence and ability to deliver.