Christianity believes in one God who is the Creator and Sustainer of all things. It also believes in Jesus Christ, who is the Son of God and Savior of mankind. Christianity believes in the Holy Spirit, which is God’s presence in the world. It also believes in the Trinity, which is the belief that God is one Being in three persons: Father, Son, and Holy Spirit. Christianity also believes in the Bible, which is God’s revelation of Himself and His will to humanity. Christianity also believes in the Church, which is the body of believers in Jesus Christ, and in the sacraments, which are special ceremonies that are part of the Christian faith. Finally, Christianity believes in life after death and in the resurrection of Jesus Christ.