Q. 55. What is forbidden in the third commandment?
A. The third commandment forbiddeth all profaning or abusing of anything whereby God maketh himself known.
— Westminster Shorter Catechism
Be thoroughly acquainted with your temptations and the things that may corrupt you – and watch against them all day long. You should watch especially the most dangerous of the things that corrupt, and those temptations that either your company or business will unavoidably lay before you.
— Richard Baxter