Why is Sadhana necessary?
Sadhana is necessary because we have chosen to be in a state of suffering and dark ignorance due to the Karma or effects of our past erroneous thoughts and actions, and a strong antidote is necessary to counter these afflictions of negativity, guilt and fear. No amount of intellectual thinking will bring us out of this nightmarish dream in which we believe our self to be the Self. Only a consistent, progressive, deep and effective series of techniques which previous practitioners have found sufficient to overcome this inertia can lead us to the Light.