Just read this article for dads by a dad. I say it is for moms too. Us moms screw up too.
Please take five or so minutes to read this. I promise it is more than worth it. While you are at it, hug your child, tell her/him how much you love her/him, show it with your actions, and, when you screw up, do the right thing and apologize.
Being a parent is not easy. There is so much to do. There are so many distractions. If you want to do something really big that changes lives, give being a parent your all. Your child will be a better person and will, in turn, inspire others. It is a cycle.
Thank you to Logical Mommy for posting this.