the Prophet said: "Protect the heels from the Fire!"
Jami` at-Tirmidhi Book 1, Hadith 41
← Previous Hadith "I saw the Prophet when he was performing Wudu doing that to the toes on his feet with his pinky."

Jami` at-Tirmidhi Book 1, Hadith 40 Next Hadith → "The Prophet performed Wudu one time (for each limb)."

Jami` at-Tirmidhi Book 1, Hadith 42