All human life matters, only because we are created in the image of God.
So God created man in his own image, in the image of God created he him; male and female created he them. Genesis 1:27 (KJV)
Whoso sheddeth man's blood, by man shall his blood be shed: for in the image of God made he man. Genesis 9:6 (KJV)
For those God foreknew he also predestined to be conformed to the image of his Son, that he might be the firstborn among many brothers and sisters. Romans 8:29 (NIV)
The god of this age has blinded the minds of unbelievers, so that they cannot see the light of the gospel that displays the glory of Christ, who is the image of God. 2 Corinthians 4:4 (NIV)