Teaching is a very noble profession that shapes the character, caliber, and future of an individual. If the people remember me as a good teacher, that will be the biggest honour for me.
Keep a good attitude and do the right thing even when it's hard. When you do that you are passing the test. And God promises you your marked moments are on their way.
God already knows what we're made of, but perhaps He wants us to learn what we're made of. I think we would all agree that we learn more from our tough times than from our easy times.