This is a question that people have asked since the dawn of time. The meaning of life constitutes a philosophical question concerning the purpose and significance of human existence. This concept can be expressed through a variety of related questions, such as * Why are we here? * What's life all about? and * What is the meaning of it all? It has been the subject of much philosophical, scientific, and theological speculation throughout history. There have been a large number of answers to these questions from many different cultural and ideological backgrounds.