Even if the being is not entirely purified, varieties of inspirations and powers may come down from above but this may lead to serious errors. Inspirations from above mixing with the impurities from below get all muddled up and the sadhak takes this for an absolute command. Many a sadhak has thus fallen into danger. Therefore, one must particularly lay stress on the purification of the being.
I would love to end the nuclear ambition of the Iranians without firing a shot, but you have to know who you're talking to and what they actually want, this is North Korea in the making.