sentences:  To Sarkar, each age would run its course, with the social motivity going too far, causing much grief to the majority of people (Sarkar, 1967).The situation could go on unchecked for a long time, before things got so bad that a spontaneous revolution and overthrow of the system took place.In fact, as this was the reason for social change, it was clear that no single class of people could remain dominant indefinitely.