 In Sutherland's research, he agrees with Nelson's Pikes conclusion that the two common definitions of eternity are defined as timelessness which could be described as a timeless existence where categories of past, present, and future just do not apply.The second definition is of God existing in all time dimensions such as past, present, and future.However, it has been argued that if God is timeless than he cannot be omniscient, because there are many important truths which a timeless being cannot know.