The nation is celebrating Quaid-e-Azam Muhammad Ali Jinnah's 142nd birthdayThe nation marked Quaid-e-Azam Muhammad Ali Jinnah’s 142nd birthday on Tuesday, December 25, with a change of guard ceremony in Karachi and events across the country.The founder of the nation was born on December 25, 1876.The ceremonial change of guards at the Quaid’s Mausoleum in Karachi was held early morning with Governor Imran Ismail, Chief Minister Murad Ali Shah and members of the provincial cabinet expected to attend and lay wreaths on the tomb at 10am.Karachi Mayor Wasim Akhtar will also visit and lay a wreath.“It is an occasion for all of us to rejoice and reaffirm our commitment to the ideals of democracy, egalitarianism, constitutionalism and rule of law which were upheld by our great leader throughout his life,” said President Arif Alvi in his official statement. He went on to add that Jinnah’s visions and thoughts are as relevant today as they were seven decades ago.“We need to follow his principles of ‘Unity, Faith and Discipline’, wholeheartedly. By the grace of Allah Almighty our country has embarked upon the path to progress and development as envisioned by the father of the nation,” said President Alvi.Related: Pakistan observes Quaid-e-Azam’s 70th death anniversary“Today, we are not only paying homage to the memory of our great leader but also reaffirming our faith in his teachings. I urge the people of Pakistan to forge unity among their ranks in order to eradicate menaces of extremism, terrorism and corruption from our society. On this day, let us also pledge that we shall work tirelessly individually as well as collectively, in the service of our great country, in line with the Quaid’s vision,” he said.Prime Minister Imran Khan lauded Jinnah as one of the greatest leaders of the 20th century who altered the course of history by his vision and relentless struggle for the rights of Muslims.“While celebrating the birthday of the Quaid today, let us reflect on how far we have succeeded in adhering to the path outlined by our leader. Let us rededicate ourselves today to the vision of our founder,” he urged. “Our Quaid had envisioned a state where we could live and breathe as free men, where we could enjoy freedom from fear and want; where we could fashion our lives according to our religious and cultural values and where the principles of State of Madina could be followed to create a just and prosperous society,” he said.“The Quaid had wanted a society where every citizen enjoys the privileges of equal rights; where rule of law reigns supreme and establishment of a state which provides its umbrella to marginalized and vulnerable and also facilitates growth of every individual to his/her full capabilities. The best way to pay homage to our Quaid is to adhere to his vision and follow his guiding principles of Unity, Faith and Discipline, in our individual as well as collective lives, towards making our country a truly welfare, progressive and prosperous state,” said PM Khan.He reiterated that the mistakes of yesterday should not be repeated.