Abu Hurairah narrated that the Prophet (s.a.w) said “This Fire of yours, which the sons of Adam kindle, is one part from seventy parts of the heat of the Hell.” They said: “By Allah! Would it not have been enough O Messenger of Allah?!” He said: “It is sixty-nine parts more.
Sahih Muslim (The Book of <i>Zuhd</i> and Softening of Hearts – 78)
Narrated A’isha reported that Allah’s Messenger (pbuh) said, The Angels were born out of light and the Jinns were born out of the spark of fire and Adam was born as he has been defined (in the Qur’an) for you (i. e. he is fashioned out of clay).