"testaments regarding the concept of believing God. In Genesis 15:6, the Hebrew word for "believed" is 'aman, meaning "to make firm, ... to stand firm, to be enduring; to trust, to believe." In Romans 4:3, the Greek word for "believed" is pisteuo, meaning "to be firmly persuaded as to something, to believe ... with the idea of hope and certain expectation." It comes from the Greek word pistis, translated into the English word faith throughout the New Testament."