In the book 'O Poder do Subconsciente' by Joseph Murphy, what is the purpose of the technique called 'A Purificação dos seus Centros de Energia'? ...

In the book 'O Poder do Subconsciente' by Joseph Murphy, what is the purpose of the technique called 'A Purificação dos seus Centros de Energia'?

I - To keep the person's energy flowing.
II - To heal and purify the person's body.
III - To be practiced only in the morning.
IV - To be practiced only at the end of the day.
a) I and II are correct.
b) II and III are correct.
c) I and IV are correct.
d) Only II is correct.