WASHINGTON - US President Barack Obama has extended his warmest greetings on the Pakistan Day to President Asif Zardari and the countrymen. On the anniversary of your republic day this March 23, the people of the United States of America join me in extending warmest greetings to you and all the people of Pakistan, Obama said in his message to Zardari. He said that both nations have long shared ties in health, education, and business as well as a mutual commitment to human rights and democratic goals. Obama quoted the words of the founder of Pakistan, Muhammad Ali Jinnah: With faith, discipline, and selfless devotion to duty, there is nothing worthwhile that you cannot achieve. We look forward to strengthening our relationship by working together to foster peace, tolerance, prosperity, security, and stability in the region and around the world, he added. Special Correspondent adds: In her message, Secretary of State Hillary Clinton told the Pakistanis that the United States backed their efforts to strive for a more peaceful and prosperous country. As you celebrate Pakistan Day, know that the US stands with you, she said. Clintons message reads: I join President (Barack) Obama and the people of the United States in congratulating the people of Pakistan as you celebrate the anniversary of the signing of the Lahore Resolution this March 23, which laid the foundation for the creation of Pakistan. The United States and Pakistan are united by shared values, common interests and mutual respect. We are constantly striving for greater tolerance, to enforce the rule of law and uphold the principles of democracy in both our countries. As Mohammad Ali Jinnah said, 'the story of Pakistan, its struggle and its achievement, is the very story of great human ideals, struggling to survive in the face of great odds and difficulties. These words ring true today as Pakistan works to fulfill the vision of its founders. We join the people of Pakistan in honoring these ideals and the valiant sacrifices the Pakistani people are making every day in the fight against violent extremism. As you celebrate Pakistan Day, know that the United States stands with you. We remember the message of 'hope, courage, and confidence the Quaid-e-Azam expressed to the Pakistani people, and we continue to support your efforts to strive for a more peaceful and prosperous Pakistan.