If you have not read Stories Versus Truth, you may want to read that before reading this.

Most important is that you share the Good News (Gospel). This is simple. All these other things may help, but it is the proclamation of the Gospel that transforms minds. See Give Them the Gospel.

What do you say if they reject Christ and just want to argue?

Don't allow question after question with no acknowledgement.  The Atheist who has been trained with tax money has learned the tactic of throwing out one attack after another.  When his or her attacks are shown to be foolish, the attack just changes the subject to a completely different attack.  This results in a stupid and frustrating exchange that helps nothing.  If you allow it, you are contributing to the problem. Force them to acknowledge what you have said. Either you have successfully refuted their attack or not. If you have, they should admit it. If they think that you have not, they should be able to explain why they don't think that you have refuted their attack. When poor logic or tricks such as summary dismissal are used, the poor logic or trick should be pointed out.

This is an actual email from an Atheist--note that it is certainly an example of the common tactic of throwing a lot of mud at the wall in hopes that something will stick.  We will give the complete email from the Atheist first and then the complete answer from SeekFind.net.  After that, we will break it down point by point.

Atheism is not a form of religion, atheists do not believe in any form of a higher power. Evolution is not a form of religion either it is simply the best explanation for the existence of diversity on this plant and any one who has every researched evolution will be able to see its great explanitory (sic) power. I simply accept evolutionary facts and evidence that has been scientifically proven. There is no belief system associated with evolution. If the hisotry (sic) of science has taught us anything, it is that we get nowhere by labelling (sic) our ignorance "God". I could keep writing about the evidence for evolution but what for this website like so many others gives no evidence for the existence of a God. Science draws conclusion based on facts but creationism and the like try to draw facts off a conlcusion (sic) (the bible) that is not science and it explains nothing.

This is my answer:

Hello,

This is a semantic argument that hinges on your definition of religion.  Atheism is a form of religion.  Atheists do believe in a form of a higher power.  The Atheistic higher power is usually humanity. Most Atheists replace the Almighty Creator of all things with the magic Natural Selection, which is really only a means of elimination and has no real creative powers.  Many are turning to a form of pantheism.  Some serve themselves.  Some follow some great person.  Some worship the creation itself. Evolution has no credible explanation for the existence of diversity on this planet.  Anyone who has researched evolution with an open mind is be able to see its great failure to explain and that is based on poor logic and just-so stories. Evolutionists simply accept evolution as fact and fail to challenge their thinking in this area.  They declare evolution to be the truth but are not skeptical enough about it to really test it and find out that it violates many of the known and tested laws of science.  There is a definite belief system associated with evolution. If the history of science has taught us anything, it is that we get nowhere by labeling our ignorance "Evolution."  A person who does not want to see cannot possibly see the obvious existence of a God. Science draws conclusion based on facts but Evolutionism and the like try to draw facts off a conclusion (the presuppositions of Naturalism, materialism, and uniformitarianism) that is not science and it explains nothing.

Does this totally refute what you have said?  If not, please give your reasons that make you think that this doesn't refute what you said?

Sincerely,

Bob

Note the question at the end of my response to this Atheist.  The question says, "If you don't answer this, you are saying that your statements are all totally refuted."

Many of the things that Atheists say are arbitrary remarks that can be reversed.  "Atheism is not a form of religion."  "Atheism is a form of religion."  "There is no belief system associated with evolution."  "There is a definite belief system associated with evolution."  These unsupported statements are both arbitrary in themselves.  However, you, the Christ-follower, can back up your statements where the Evolutionist cannot.

When Atheists claim that they are not religious, they define religion in a way that makes that statement true, though very deceiving.  Atheists rest their logic on observation and presuppositions.  Christ-followers rest their logic on direct revelation from God.  Atheists say it's impossible to have revelation from God because it is not compatible with their presupposition that there is no God--in other words, their reasoning is circular.

If this conversation were to go forward, it would be easy for the Christ-follower to back up every statement.  The Evolutionist must argue in a circle because the entire argument for Evolutionism is circular.