Sayyiduna Miqdad bin Aswad (may Allah be pleased with him) says that after hearing this from the Messenger of Allah (peace and blessings be upon him), I do not trust anyone. The Messenger of Allah (peace and blessings be upon him) used to say: "Indeed, the heart of the son of Adam changes more quickly than a pot when it is boiling intensely."
Hadith Referenceمسند الشهاب / 1331
Hadith Gradingمحدثین:إسناده حسن
Hadith Takhrij«إسناده حسن ، وأخرجه أحمد : 5/6 ، السنة لابن ابي عاصم : 6 226 ، بزار : 2112»