“Don't be a good example of the bad example.”
“He that gives good advice, builds with one hand; he that gives good counsel and example, builds with both; but he that gives good admonition and bad example, builds with one hand and pulls down with the other.”
“A good example is the best sermon.”
“Everyone in life has a purpose, even if it's to serve as a bad example”
“If you can't be a good example, then be a terrible warning.”
“If you can't be a good example, At least be a horrible warning.”