"Should in fact this video be authentic, it's just one more indication of the viciousness and barbarity of this organization.” -- U.S. President Barack Obama, speaking about Daesh.
"This vicious act is yet another example [Daesh's] brutality and warped ideology … First and foremost, our thoughts and prayers are with his family. I spoke with General Mashal al-Zaben, Chief of Staff of the Jordanian Armed Forces and assured him that we stand with our Jordanian partners and together we will fight this barbaric enemy until it is defeated." -- U.S. Central Command Chief Gen. Lloyd Austin.
"Our brave hero Muath will always be remembered as a symbol of courage." -- Dina Kawar, Jordan's ambassador to the United Nations.
"Lieutenant Moaz al Kasasbeh's sickening murder will only strengthen our resolve to defeat ISIL (IS). My prayers are with his family tonight." -- UK Prime Minister David Cameron.
"We stand in solidarity with the government of Jordan and the Jordanian people” -- U.S. National Security Council spokeswoman Bernadette Meehan.
"Burning people alive is not permissible in Islam … What ISIL did confirms that they are a terrorist group that must be obliterated … These terrorist acts prove that the demise of ISIL is too close.” -- Hayel Dawood, Jordan’s minister of Islamic affairs.