Egypt's president-elect Mohammed Morsi on Friday took a symbolic oath of office before the people of Egypt on the eve of his swearing-in before the country's highest court, saying the people are the source of all powers. They are higher than any other power of institution in this country," said the leader in an address to a crowd who packed Tahrir Square. Morsi is to take the official oath of office Saturday before the Supreme Constitutional Court. Morsi pledged in the address to make the people's will the basis of his administration's domestic decisions and foreign policy. "I warn against infringing upon the dignity of Egypt and its people," he said. He promised to treat his supporters and opponents alike and urge them to share him the national task. He vowed to keep the national texture consistent and strong, reiterating that no way for conflict or holding others betrayers. He said he would work for the economic renaissance and ending the sufferings of millions of Egyptians for a dignified life.