This is what my entire life has been about, but the reality is, it’s not just teachers that can be a positive influence on society. Living life as an example for others, and you never know who might be watching, and who might change themselves because of your example.
Some time ago, a nun I met on a campus where I worked was asking me about my family. I explained that I had no wife, or kids. "Well, maybe God wants you to be single!" "Yeah, I don't like God, either," was my snarky reply. A few years later I was married.