Each religious sect has its own way of approaching the Divine and this is why Sri Aurobindo compares them to different pots. But he says: No matter which path you follow, the goal alone is important, and the goal is the same whatever the path you follow. The nectar is the same in whichever pot it is contained.
Some say that the flavour of the pot, the path you follow changes the taste of the nectar, that is to say, affects your union with the Divine. Sri Aurobindo answers: The approach may be different, each one chooses the one he prefers or which most suits his taste, but the nectar itself, the union with the Divine, always keeps its power of immortality.
Now when we say that by union with the Divine we gain the consciousness of immortality, it means that the consciousness in us unites with what is immortal and therefore feels itself to be immortal. We become conscious of the domains where immortality exists. But this does not imply that our physical substance is transformed and becomes immortal. For that quite another procedure has to be followed. You must not only first obtain this consciousness, but bring it down into the material world and let it work not only on the transformation of the physical consciousness, but also on the transformation of the physical substance, which is quite a considerable task.
Finally, you must not confuse personal realisation with the realisation of humanity as a whole. When we have found the nectar we are above all religious sects; they no longer have any meaning or use for us. But in a general way, for men in general, these things continue to have their value and usefulness as a path, until they achieve realisation.
Ref : On Thoughts and Aphorisms