The secret of karma yoga which is to perform actions without any fruitive desires is taught by Lord Krishna in the Bhagavad-Gita.

This is the ancient land, where wisdom made its home before it went into any other country... Here is the same India whose soil has been trodden by the feet of the greatest sages that ever lived... Look back, therefore, as far as you can, drink deep of the eternal fountains that are behind, and after that look forward, march forward, and make India brighter, greater, much higher, than she ever was.

This doctrine of prenatal influence is now slowly being recognized, and science as well as religion calls out: 'Keep yourself holy, and pure.' So deeply has this been recognized in India, that there we even speak of adultery in marriage, except when marriage is consummated in prayer.

This misery that I am suffering is of my own doing, and that very thing proves that it will have to be undone by me alone.

Despite the many iniquities that have found entrance into the practices of image-worship as it is in vogue now, I do not condemn it. Ay, where would I have been if I had not been blessed with the dust of the holy feet of that orthodox, image-worshipping Brahmin!

Patanjali, declares that the true secret of evolution is the manifestation of the perfection which is already in every being; that this perfection has been barred and the infinite tide behind is struggling to express itself. These struggles and competitions are but the results of our ignorance, because we do not know the proper way to unlock the gate and let the water in. This infinite tide behind must express itself; it is the cause of all manifestation.

What is material and what is not? When the world is the end and God is the means to attain that end, that is material. When God is the end and the world is only the means to attain that end, spirituality has begun.