On the face of it, my zero tolerance approach to grammar errors might seem a little unfair. After all, grammar has nothing to do with job performance, or creativity, or intelligence, right?

Wrong. If it takes someone more than 20 years to notice how to properly use “it’s,” then that’s not a learning curve I’m comfortable with.

- I Won’t Hire People Who Use Poor Grammar. Here’s Why.

For anyone who questions ending the final sentence with a preposition, there’s this.