'White hot' in the Bible

His feet were like silver-bronze, when it is white-hot in a furnace; and His voice resembled the sound of many waters.

“And to the angel (divine messenger) of the church in Thyatira write:“These are the words of the Son of God, who has eyes [that flash] like a flame of fire [in righteous judgment], and whose feet are like burnished [white-hot] bronze: