" It should always be understood that we are weak and that the material energy is very strong. To adopt spiritual life is more or less to declare war against the material energy. The material energy is trying to entrap the conditioned soul as much as possible, and when the conditioned soul tries to get out of her clutches by spiritual advancement of knowledge, material nature becomes more stringent and vigorous in her efforts to test how much the aspiring spiritualist is sincere. The material energy, or maya, will then offer more allurements. "

― A.C. Bhaktivedanta Swami Prabhupāda , The Perfection of Yoga