Introduction: Man is a social being. He has to live with others in society. In society he cannot do whatever he likes. He must obey some rules and regulations. To obey these rules and regulations is called discipline. It helps a man to mound his life according to the prevailing law and order. Value of discipline: The value of discipline is indescribable in our life. It helps men to live in society with peace and happiness. It is the basis of all the virtues. Without discipline nothing can be improved in a country. Discipline in nature: Nature shows a glaring example of discipline. The earth, the moon, the stars and all the planets move around the sun following discipline strictly. Discipline in student life: Discipline is very necessary in every steps of our life. Student life is the best time to build the habit of discipline. A student must attend school punctually and obey the rules of the school. He must carry out the orders of the teachers. Without discipline the teachers cannot teach and the students cannot learn their lessons. Discipline in army: Discipline is strictly maintained in the army. It is the part and parcel of military service. Difficulty and danger cannot prevent a soldier from carrying out the orders of his commander. Discipline in games and sports: Discipline is necessary in games and sports. A player has to show respect to the decision of the referee. If the players in the playground do not obey the rules of the game and the orders of the captain, they are sure to lose the game. Discipline in family life: All the members of a house should obey the rules of the family. A family, without discipline is sure to suffer chaos and unhappiness. A disciplined family leads a happy and healthy life. Conclusion: Discipline is the root of all virtues of our life. Development of a society, a country and above all a nation is not possible without discipline. A life without discipline. A life without discipline is like a ship without a rudder. So all of us should maintain discipline to ensure social peace and prosperity.