As Christians, we have many beliefs that shape the way we live and view life. The doctrine explains the fundamental beliefs of the Christian life. Christian beliefs are also expressed through the Apostles' Creed, which is a summary of the beliefs of the Holy Bible. Through the Apostles' Creed we see that Christians believe in the doctrine of God's revelation, in the holy nature and attributes of God, and in the one doctrine of the Trinity. The core beliefs of Christianity provide a foundation to stand firm and a direction in which to run. As Christians, we believe that theology is the study of the things of God and that doctrine is the body of beliefs taught by the Church or another group. Theology and doctrine are essential in laying the foundation for Christian beliefs. Creeds allow both less educated and more educated believers to express what they believe. The Apostles' Creed, which is based entirely on Scripture, summarizes Genesis 1 through Revelation 22. This Creed has been read for many centuries as a means of confessing faith. The Apostles’ Creed is also a channel of grace to form and shape the lives of many Christians. This helps us discern the truth and establish a foundation of beliefs. Through these things, Christians are able to use the Apostles' Creed to better understand theology and the nature of God is a very complex concept and Christians will not fully understand it until consummation with Christ. As Christians, we believe that God is defined as one God in three persons, also known as one divine nature in three persons. These two definitions express that God is a triune God. Other attributes of God include His omnipotence, omnipresence, omniscience, and simplicity. Omnipotence means having all power. Omnipresence means filling all time and space. Omniscience means knowing absolutely everything and knowing all possibilities. Finally, the attribute of simplicity means being one in nature, without parts. All of these attributes are, at their core, attributes of God that are irrefutable. Yet many Christians vary in their beliefs on minor details regarding each attribute. All these attributes which represent God can be distinguished separately, but they are all inseparable. As Christians, we believe that God is who He is and will always be who He is.