An Indian tradition says that training is usually like setting fire to wood that is a bit damp in places. It is difficult to get a flame at all, and it keeps going out. When it does catch hold a bit, great clouds of dense smoke arise, nearly choking the fire-raisers.
Then it begins to burn briskly, and people can benefit from the light and heat. Then it roars in triumph as the whole pile blazes.
Finally it dies down into the peace of the ashes