Prince Khalid Al Faisal, the Governor of Makkah region and Chairman of Arab Thought Foundation chaired here today the seventh annual conference of Arab Thought Foundation "Thought 7'' titled "Culture of Development which was held under the auspices of Egyptian President Mohammed Hosni Mubarak with the participation of 700 Arab and international personalities and a number of Arab and Egyptian ministers. In his speech, Prince Khalid Al-Faisal said that the Arab Thought Foundation raised in the conference the most important issues and challenges in the Arab world, noting that the conference is facing the most serious challenges represented in the gap of science and culture between Arabs and others who knew the way of progress. He pointed out that the gap was caused by the sharp contrast between the culture of development on both sides .