You are the centre of that world. That is the world you live in. Now how will you change the world? By changing yourself.
No mind, no form, I only exist; Now ceased all will and thought. The final end of the Nature’s dance; I am it whom I have sought. A realm of bliss bare, ultimate, beyond both knower and known. A rest immense I enjoy at last; I face the one alone. I have crossed the secret ways of life; I have become the Goal. The Truth immutable is revealed; I am the way, the God-Soul. My spirit aware of all the heights, I am mute in the core of the Sun. I barter nothing with time and deeds; my cosmic play is done.
You have to grow from the inside out. None can teach you, none can make you spiritual. There is no other teacher but your own soul.

