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.
Complete Works (ed. 1955)