Christians make decisions on ethical issues, based on the the source of authority they deem the most important. The importance of each source is reliant upon their denomination; if they are a Roman Catholic, Orthodox or Liberal Christian - to name only a few. For a Catholic, the main source of authority is Church teachings’. Authority, of course comes from the Bible; however, the Catholic Magisterium has the ultimate say on how it is interpreted. For an Evangelical Christian, the source of authority is within the Bible, although Church teachings’ are adhered to. Whereas, for a Liberal Christian the source of authority is their conscience - the Holy Spirit.
There are many sources of Christian Morality; such as, the Bible, Jesus’ Teachings, the Divine Command Theory and Natural Law.
The Bible, for Christians, is the Word of God. As it is seen as such, it is one of the key sources of Christian Morality and Authority. The Bible is followed by Christians because, to ignore the Word of God would be to ignore God himself. Through following the Word of God they are showing their love for God, and, therefore, maintaining a relationship with him. The Bible also reveals acts that God considers morally right and morally wrong. Morally wrong acts such as, adultery and murder. So, the Bible, for Christians, provides a source of Morality and, in turn, allows them to reach a moral decision; it is what God has spoken, and God commands what is good.
Another source of Christian Morality, would be Situation Ethics. Situation Ethics says that something is moral if it is the most loving thing to do. It is relevant to anyone, in any situation everywhere; what is moral in one situation may be immoral in another - “the morality of an action depends on the situation”. However, the love in Situation Ethics is unconditional, not of romance or sexual attraction. It is the love of Christ for mankind - the love spoken of by Jesus and