Let us begin with a simple question: Do you believe that human life comes from God? Do you believe that human life must be respected and protected absolutely from the moment of conception? Maybe not.
But I would like to state a few facts:
- There is a God.
- All life comes from God.
- All human life must be respected and protected absolutely from the moment of conception.
'How's that,' you say? Well, first of all, there is a God. "The first and most basic requirement for living in reality is to believe in God... We can know God in two ways: by reason and by faith" (Kreeft's Catholic Christianity, page 32). It's really that simple. Think about it. (And/or read Aquinas).
Second, all human life comes from God. "The State did not create us, design us, or give us life. Nor did it give us the right to life. Therefore the State cannot take away that right" (Kreeft, 231). In the same train of thought, no other group or person gave you life; therefore, they have no right to take away that life. Again: pretty simple.
Third: All human life must be respected and protected absolutely from the moment of conception. Why? Well, two main reasons: 1) All human life comes from God; 2) We are not God.
Now, we have established that, if there is a God, it is wrong to take a human life, for God is the author of that life—not us. And we know there is a God; if you don't believe me, read St. Thomas Aquinas' Proof of the Existence of God in his Summa Theologica (or read the Catechism of the Catholic Church, read Augustine's On the Free Choice of the Will, Boethius' The Consolation of Philosophy, or some other proof).
"These proofs' truths are apprehended only in the light of faith, which is a gift from God--that one can't come to faith by reason alone (though reason doubtless helps many come to a point where they are open to accepting God's gift of faith)." (Thanks, Dawn Eden!).
Another fact that some do not completely understand is the fact that a 'zygote' (the technical term for a baby immediately upon the sperm entering the egg) is a human being. From the first moment of conception, we must respect the life as a human life (from God). A person's a person, no matter how small (Dr. Seuss, Horton Hears A Who. A 'zygote', 'embryo' or 'fetus' doesn't 'magically become human' until he can walk and talk or is born—he is human from the time the sperm and egg meet.
If we start our arguments promoting the respect for life from this point of view, there is no argument for abortion (for any reason, whatsoever). Not even in cases where some good may come about from the abortion, for "no good reason can justify an intrinsically evil act" (Kreeft, 233). No, not even in cases of rape or when a family cannot afford another child.
If you would like to state reasons such as danger to the mother's life, rape or poverty, those are different arguments—and abortion cannot be a solution. It's all about the basis of your argument.
For Those Who Have Had an Abortion
"Forgiveness is always available for any sin, if sincerely repented, and ministries like "Project Rachel" deal compassionately with women who have had abortions... [The Church] is not in the business of stowne-throwing. But she is in the business of the accurate labeling of human acts, just like her Master, who said not only "neither do I condemn you" but also "go, and do not sin again" (Jn 8:11)" (Kreeft, 233).