Eternity

The concept of Eternity is a concept of something that does not have a beginning or an end. Anything that is eternal is incomprehensible to the average person. It is also best described as something that is everlasting and something that can last forever. It is highly thought of by many people that the universe is eternal and had never had a beginning nor an end in sight.

Unlike the concept of infinity that deals with immeasurable sizes and distances, the concept of Eternity deals primarily with time since it best described as something eternal.