Proposition: In the Sixth Commandment, God forbids hatred and all unjust harming of life, but He requires love and preserving life.
Sermon Outline:
I. The Sixth Commandment forbids the unjust taking or harming of life.
II. The Sixth Commandment requires the care and preservation of life.
If you have greater interest, take a look also at Larger Catechism questions 134-136.