The Questions of these times

Why, why has the World changed so much?
Who should we ask?

Let’s ask Heaven.
Oh, Heaven! Why? Why are so many disasters happening?
And Heaven answers: tian bu tian, tian wu gui.

Let’s ask the Earth,
Oh, Earth! Why? Why do so many disasters happen?
And the Earth answers:
di bu di, di wu lü.

Let’s ask God.
Oh, God! Why? Why do so many disasters happen?
And God answers:
shen bu shen, shen wu shen.

Let’s ask the Immortals.
Oh, Immortals! Why? Why do so many disasters happen?
And the Immortals answer: xian bu xian, kan bu jian.

Let’s ask Buddha.
Oh, Buddha! Why? Why do so many disasters happen?
And Buddha answers: fo bu fo, fo mo fa.

Let’s ask the Saints.
Oh, Saints! Why? Why do so many disasters happen?
And the Saints answer: sheng bu sheng, sheng wu xin.

Let’s ask the High Spirits.
Oh, High Spirit Beings! Why? Why do so many disasters happen?
And the High Spirits answer: ling bu ling, xin ze ling.

Let’s ask the Master.
Oh, Master! Why? Why do so many disasters happen?
And the Master answers: shi bu shi, shi wu wo.

And with a sigh, we ask:
What does „shi bu shi, shi wu wo“ mean?
What exactly does it mean?