Plunge into the world, and then, after a time, when you have suffered and enjoyed all that is in it, will renunciation come; then will calmness come. So fulfill your desire for power and everything else, and after you have fulfilled the desire, will come the time when you will know that they are all very little things; but until you have fulfilled this desire, until you have passed through that activity, it is impossible for you to come to the state of calmness, serenity, and self-surrender.
No doubt it is an evil to be bound by laws, but it is necessary at the immature stage to be guided by rules; in other words, as the Master used to say that the sapling must be hedged round, and so on.
As to the so-called Hindu idolatry - first go and learn the forms they are going through, and where it is that the worshippers are really worshipping, whether in the temple, in the image, or in the temple of their own bodies. First know for certain what they are doing - which more than ninety per cent of the revilers are thoroughly ignorant of - and then it will explain itself in the light of the Vedantic philosophy.
No one is ever really taught by another; each of us has to teach himself. The external teacher offers only the suggestion, which arouses the internal teacher, who helps us to understand things.