"You don't work on something for six years and be blind to the myriad of other approaches"

This quote by Ken Burns is a reminder that when dealing with something for a long period of time, it is important to stay open up to other techniques. It is simple to end up being so focused on the task at hand that we forget to think about other possibilities. Burns is recommending that even after 6 years of working on something, it is essential to remain aware of other methods that might be more effective. He is encouraging us to remain unbiased and to not end up being so established in our own ideas that we are not able to see other services. This quote is a suggestion that it is important to remain flexible and to be willing to think about different methods. It is a suggestion that even after an extended period of time, it is necessary to remain open up to new ideas and to not become too attached to our own.