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.
As long as you have attachment to the body and attachment to objects, fear and suffering will be with you. Therefore Krishna told Arjuna to develop his discrimination and rid himself of body consciousness. Only then he would be able to develop integral vision.
The feet of the humblest may walk in the field where the feet of the holiest trod. This, then, is the marvel to mortals revealed. When the silvery trumpets of Christmas have pealed, that mankind are children of God.
There is a bridge between time and Eternity; and this bridge is Atman, the Spirit of man. Neither day nor night crosses that bridge, nor old age, nor death nor sorrow.
