"I salute the Egyptian people and the martyrs. This is the day of victory for the Egyptian people. The main goal of the revolution has been achieved."
Mohamed el-Katatni, senior member, Muslim Brotherhood
"I look forward to the future to build a national consensus in the coming period. There is a big chance now, and a window has opened after this white revolution and after the president's concession. As an Egyptian citizen, I am proud to serve my country with all the others at this stage, to build a consensus of opinion.''
Amr Moussa, Arab League secretary-general
"Egypt takes the Arab world into a new era. Let's make it a better one."
Sheik Khalid bin Ahmed al-Khalifa, Bahrain foreign minister
"Despite all the (West's) complicated and satanic designs … a new Middle East is emerging without the Zionist regime and U.S. interference, a place where the arrogant powers will have no place."
Mahmoud Ahmadinejad, Iranian president
"Egypt has completely lost its status in the area, while Turkey and Iran are on the way up. It's a different world. As long as we had Mubarak, there was no void in our relations with the region. Now we're in big trouble."
Zvi Mazel, a former Israeli ambassador to Egypt
"Egypt now has a really precious moment of opportunity to have a government that can bring the country together. As a friend of Egypt, and the Egyptian people, we stand ready to help in any way we can. We believe it must be a government that starts to put in place the building blocks of a truly open, free and democratic society."
David Cameron, British prime minister
"The resignation of Egyptian President Hosni Mubarak is the beginning of the victory of the Egyptian revolution. Such a victory was the result of the sacrifices and the steadfastness of the Egyptian people. We call upon the new Egyptian leadership to take an immediate decision to lift the blockade of Gaza and open Rafah [border] crossing permanently to allow people's free movement and in order for the reconstruction process of Gaza to begin.''
Sami Abu Zuhri, Hamas spokesman
"Today is a day of great joy. We are all witness to a historic change. I share the joy of the people of Egypt, with the millions of people on the streets of Egypt.''
Angela Merkel, German chancellor
"Congratulations to the Egyptian people. And we hope that a system meeting the expectations of the Egyptian people will emerge.''
Ahmet Davutoglu, Turkish foreign minister
"This is a positive, important step toward the Egyptian people's aspirations of achieving democracy and reform and a life of dignity.''
Hamad bin Khalifa al Thani, emir of Qatar
"Allahu Akbar, the pharaoh is dead. Am I dreaming? I'm afraid to be dreaming."
Amr Nassef, Egyptian news anchor on a Hezbollah-run TV station in Beirut
"There's no turning back, absolutely not. If the Arab leaders are to respond in a meaningful way, they will have to quit, and since they don't intend to quit they will put up a fight. … If they introduce democracy, that means their ouster, so they're damned if they act and damned if they don't act."
Hilal Khashan, a political scientist at the American University of Beirut
"Mubarak's tyranny was typical across the region, and it is Europe's shame that we sustained them."
Edward McMillan-Scott, the European Parliament's vice president for democracy and human rights