From a Church of Christ preacher's post on Facebook:
"Even an atheist doesn't want to be punched in the face. If there is no God, then there are no moral absolutes. Yet 'no one ever hates his own flesh, but provides and cares for it' (Ephesians 5>29, HCSB). This instinct for self-preservation is the basest, most universal expression of self-love. Atheism cannot explain why or how people know it is wrong for others to hurt them."
I don't know that I've ever seen a more ignorant statement. We'll disregard the mistaken idea that atheism attempts to explain anything and just deal with what he says here. Is he saying that if there were no god to give us moral absolutes, we wouldn't know that we need to respond to a punch in the face? Yes, that's exactly what he's saying. While atheism doesn't explain things, the need for self-preservation is one of the most basic drivers of evolution. And even more obvious: We can feel pain! He's saying that without a god to give us moral absolutes, we woudn't have the urge to retaliate because we wouldn't understand that the other person had no right to cause us injury.
Christianity, on the other hand, eschews the idea of self-love. Christianity says "turn the other cheek" when someone punches you. (And while there may be expedient reasons for doing so, it is not our nature.) That instinct for self-preservation is anti-Christian.
To top it off, the absolute statement that no one ever hated their own flesh is false, as well. It may be true that most people do not hate themselves, but it is not true that no-one hates themselves.
He goes on to say "the universal law of 'ought' shows 'the work of the Law written in their hearts' (Romans 2:15), which points to a universal lawgiver." Again, this is a statement that sounds "thoughty" but which turns out to be shallow, what Daniel Dennett refers to as a "deepity". Yes, we have a sense of right and wrong, but if a person thinks this wouldn't have evolved, they don't really know much about evolution or about memetics. Organisms live to reproduce if they have a way of defending themselves. Societies thrive if the members of the society defend one another. The Bible even says so: Ecclesiastes 4:12 -- " And though a man might prevail against one who is alone, two will withstand him—a threefold cord is not quickly broken." That's memetics in a nutshell, right in their own "holy" book! When people started farming, when they became stationary and began to live in communities, writing was developed and rules were written down. Communities where everyone pitched in to hunt and farm, and for defense, thrived. And while selfish individuals never disappeared and could actually thrive within a community, the community itself had to comprise mostly altruistic individuals in order to thrive, which resulted in our current mix of individuals today, comprising mostly altruistic people with some selfish people in the mix.
This isn't hard, but if you start by saying there's a creator and that you must base all of your beliefs on that, then you have to come up with deepities to allow yourself to continue without experiencing significant cognitive dissonance, and you never think you need to find the truth or question your beliefs. You're looking for a quick and dirty "answer" that doesn't have to be a real answer at all, just a place for you to stop thinking about the subject. If you start with the real world and try to understand why things are the way they are using forensics, you'll always have unanswered questions and you'll sometimes have to change your beliefs, but you'll generally be on the right track and there will be a lot that you can know for certain. But you never stop thinking about the subject because you have a thirst for knowledge.