He was asked about the gray hairs of the Prophet ﷺ, and he replied, "Allah did not disfigure him with any white hair."
أنه سئل عن شيب النبي ﷺ فقال: ما شانه الله ببيضاء.
Muslim narrated it in "The Virtues" (2341:105) through several routes from Abu Dawud, who said, "Shuba narrated to us, from Khulayd bin Jafar, who heard Abu Iyas, from Anas," and he mentioned it.