The meaning of life is a philosophical and spiritual question concerning the significance of life or existence in general. It can also be expressed in different forms, such as "Why are we here?", "What is life all about?", and "What is the purpose of existence?" or even "Does life exist at all?" It has been the subject of much philosophical, scientific, and theologicalspeculation throughout history. There have been a large number of proposed answers to these questions from many different cultural and ideological backgrounds.