'Life' in the Bible

"But give this command to the people: "You are to consecrate yourselves, because tomorrow you're going to eat meat, since you've complained where the LORD can hear it, "Who can give us meat to eat? After all, life was better with us in Egypt." Therefore, the LORD is going to give you meat and you'll eat

You are to receive no ransom for the life of a killer who is guilty of murder; instead, he is to die.