left my hometown to live in Sydney where I still live today. As I had been missing my parents and relatives, I would often dream of being with them. However, I would wake up realizing that it was all just a dream.

During one particular dream, I said to myself “I know it's a dream again”; but in an attempt to dispute this, I decided to wash my face, thoroughly. “It is real this time,” I said to myself.

Guess what? When I suddenly woke up, I realized, yes, this was also just a dream!

My purpose in this chapter is to make you aware of how important the question of existence is. Let me therefore share with you the brief historical background of this ultimate question.