The study investigates the personality of Vladimir Lenin, in the light of Stephen R. Covey’s suggested habits, expounded in his books, “The Seven Habits of Highly Effective People” and “The 8th Habit: From Effectiveness to greatness”, following the most eminent Russian physiologist and psychologist I. P. Pavlov’s theory of classical behaviourism. Stephen R. Covey’s thought provoking and trend breaking book: “The Seven Habits of Highly Effective People” suggests seven habits and paradigms to become highly effective personality. He introduced the eighth habit in his innovative and challenging book “The 8th Habit: From Effectiveness to Greatness.” Therefore, his suggested eight habits, and paradigms, which are based on I. P. Pavlov’s theory of classical behaviourism. This paper would use the popped up chunks of I. P. Pavlov’s behaviourist theory to analyse how the process of habit formation influenced the effective and great personalities of the world. Therefore, the present study will enable the readers to confront Pavlov’s classical behaviourist theory of habit formation through stimuli and responses. The readers are also expected to abandon the bad habits and adopt the good ones. These infrequent but subtle hints serve as a model of effective as well as great personality of the world.