John Piper gives eleven reasons why, as Americans, we know that abortion is murder. These are not reasons given to a person who already believes the Bible, but reasons that most unbelieving people accept and know. You can read the whole article here.
1. Anecdotally, abortionists will admit they are killing children.
2. States treat the killing of the unborn as a homicide.
3. Fetal surgery treats the unborn as children and patients.
4. Being small does not disqualify personhood.
5. Not having developed reasoning does not disqualify personhood.
6. Being in the womb does not disqualify human personhood.
7. Being dependent on mommy does not disqualify personhood.
8. The genetic make up of humans is unique.
9. All the organs are present at eight weeks of gestation.
10. We have seen the photographs.
11. When two rights conflict, the higher value should be protected.