Islam is the constitution in which will be followed to serve all citizens without any form of segregation, said Wednesday Saudi Arabia's Custodian of the Two Holy Mosques King Abdallah bin Abdul-Aziz. "I pledge to Allah and to all of you to follow the Quran as a constitution through the Islamic system" to equally serve all nationals, said King Abdallah in his first speech after Saudis pledged allegiance to him as the new monarch.King Abdallah lauded his brother the late the late Custodian of the Two Holy Mosques King Fahad bin Abdul-Aziz in serving the Arab and Islamic nations, adding that the deceased was "my brother and my lifetime friend." While stressing the significance of the burden placed upon him as he assumes the responsibilities of the throne, King Abdallah prayed to Allah to be granted the wisdom and strength, with the assistance of all Saudis, to follow the path established by King Abdul-Aziz and his sons after him. In a similar speech, the new Saudi Crown Prince Sultan Bin Abdulaziz Al-Saud said, at the time of need, Saudi Arabia, the Arab and Islamic nations, as well as the entire world have lost a leader, a pioneer and a devoted person. Prince Sultan said the deceased had many achievements, but the most important was expanding the two Holy Mosques and establishing the King Fahad Complex for the Printing of the Holy Qur'an.