The Nature of God & the Trinity
The Nature of God
Christians are monotheistic — they believe in one God who created and sustains everything. Although God is called “Father,” Christians do not believe God has a physical body or a gender. God is a spirit, beyond human understanding, and is considered holy — completely pure, set apart and worthy of worship.
The Nicene Creed, recited by Christians worldwide, opens with the words: “We believe in One God.” Christians believe this one God has several key qualities that together make God perfect. Three of these qualities are central to the AQA specification: God as omnipotent, God as loving (benevolent), and God as just.
God as Omnipotent
Omnipotent means all-powerful. Christians believe God has unlimited power and authority — nothing is beyond what God can do. God demonstrated this power by creating the entire universe from nothing and continues to sustain all life.
“Nothing is impossible with God.” (Luke 1:37) — These words were spoken by the Angel Gabriel to the Virgin Mary. Christians use this verse to show that God’s power has absolutely no limits.
Belief in God’s omnipotence influences Christians in several ways. When they see the complexity of nature, they see evidence of a powerful creator. It also means they trust that God can perform miracles, and it gives them confidence when they pray that God has the power to answer.
God as Loving (Benevolent)
Benevolent means all-loving and all-good. Christians believe God loves every human being unconditionally. God created humans out of love and wants to share that love with all creation.
“God so loved the world that he gave his one and only Son, that whoever believes in him shall not perish but have eternal life.” (John 3:16) — Christians see sending Jesus as the greatest act of God’s love.
This belief helps Christians feel valued and gives them a purpose — to share God’s love with others through kindness, charity and forgiveness. Because God is all-loving, Christians believe God forgives those who are truly sorry for their sins.
God as Just
Christians believe God is a just (fair) judge of all humanity. Because God is all-powerful and all-loving, God is the perfect giver of justice. This means God will never support injustice, oppression, prejudice or cruelty.
“God is just: He will pay back trouble to those who trouble you.” (2 Thessalonians 1:6) — This teaches Christians that God sees all actions and will judge everyone fairly. No wrongdoing will go unnoticed. Because of this, Christians are motivated to fight against injustice wherever they encounter it.
The Problem of Evil and Suffering
If God is omnipotent, loving and just, why does evil and suffering exist? This is called the problem of evil, and it is one of the biggest challenges to Christian belief.
The problem can be stated simply: if God is loving, he would want to stop suffering; if God is powerful, he could stop suffering; if God is just, he would not allow injustice. Yet suffering clearly exists. The philosopher David Hume set out this problem in the 1700s. Philosophers today call the three ideas together the “inconsistent triad”, because they seem to contradict each other.
Christians distinguish between two types of evil. Moral evil is caused by human actions — murder, theft, war and cruelty. Natural evil is caused by the natural world — earthquakes, disease, floods and famine.
Free will: God gave humans the freedom to choose how to live. Some choose to do wrong, causing moral evil. Christians argue that genuine free will is better than being puppets, even if some misuse it.
Life as a test: Some Christians believe suffering tests faith. The story of Job shows that God allows suffering to test whether people remain faithful — and rewards those who do.
Part of God’s plan: Humans cannot fully understand God’s reasons. “Before I formed you in the womb I knew you” (Jeremiah 1:5) suggests God has a purpose for every person, even if suffering seems unfair.
The Devil: Some Christians believe Satan tempts people into sin. Evil is caused by the Devil, not by God — though this raises the question of why God allows the Devil to operate.
The Oneness of God and the Trinity
Although Christians believe in one God, they understand God as existing in three persons: Father, Son (Jesus Christ) and Holy Spirit. This is called the Trinity. It does not mean there are three separate gods — the three persons are all fully God, sharing one divine nature.
The Trinity is one God in three persons: the Father (creator and sustainer), the Son (Jesus Christ, who became human to save humanity), and the Holy Spirit (God’s presence active in the world today). All three are equal and eternal.
God the Father is the creator and sustainer of all life. He is the source of all things and the one to whom Christians direct their prayers. Jesus taught his followers to pray “Our Father.”
God the Son is Jesus Christ. Christians believe the Son has always existed with the Father but took human form (the incarnation) to live among people, teach them about God, and die on the cross to save humanity from sin.
God the Holy Spirit is the unseen power of God at work in the world. Christians believe the Holy Spirit guides, comforts and strengthens believers. At Pentecost, the Holy Spirit descended on the disciples as tongues of fire (Acts 2), empowering them to spread the Christian message.
The Nicene Creed affirms the Trinity: “We believe in one God, the Father Almighty… And in one Lord Jesus Christ, the only-begotten Son of God… And in the Holy Spirit, the Lord and Giver of Life.” The Trinity is central to Christian worship — Christians are baptised “in the name of the Father, and of the Son, and of the Holy Spirit” (Matthew 28:19).
Some Christians find the Trinity difficult to understand. Common analogies include water existing as ice, liquid and steam (three forms, one substance), or the sun giving light, heat and energy. However, these analogies are imperfect — the Trinity is considered a mystery that humans can only partly grasp.