'Life' in the Bible

And he said, They were my brothers, my mother's sons: by the life of the Lord, if you had kept them safe, I would not put you to death.

(For my father made war for you, and put his life in danger, and made you free from the hands of Midian;

So when I saw that there was no help to be had from you, I put my life in my hand and went over against the children of Ammon, and the Lord gave them into my hands: why then have you come up to me this day to make war on me?

And Samson said, Let death overtake me with the Philistines. And he put out all his strength, and the house came down on the chiefs and on all the people who were in it. So the dead whom he sent to destruction by his death were more than all those on whom he had sent destruction in his life.

And the children of Dan said to him, Say no more, or men of bitter spirit may make an attack on you, causing loss of your life and the lives of your people.