John 13:6-9

Then He came to Simon Peter. And Peter said to Him, “Lord, are You washing my feet?”

Jesus answered and said to him, “What I am doing you do not understand now, but you will know after this.”

Peter said to Him, “You shall never wash my feet!”

Jesus answered him, “If I do not wash you, you have no part with Me.”

Simon Peter said to Him, “Lord, not my feet only, but also my hands and my head!”

Exodus 19:18

Now Mount Sinai was completely in smoke, because the Lord descended upon it in fire. Its smoke ascended like the smoke of a furnace, and the whole mountain quaked greatly.