Staying on top of your game in education is a very difficult thing to do, but it is a must! It is not ok to teach the same way year after year, know exactly what you will be covering on a certain day of the year, or just show up and give the same lecture to a different bunch of kids.
A professional is always looking for ways to better himself as a teacher. Does this mean breaking bad habits, trying new strategies, admitting that your way is the right or only way, or admitting you need to change? YES it does! Is it scary? Yes it is! Does it take work, effort, planning, lots and lots of planning? Absolutely!
We can't expect our students to do their best, work hard, give 100% effort if we are not willing to do that ourselves!