תנ״ך אויף שמות 25:17

Adonoy spoke to Moshe: Speak to your brother Aharon that he not come at all times into the Holy [Sanctuary] that is inside of the Curtain, before the Ark-cover that is on the Ark so that he not die, for in a cloud I shall appear on the Ark-cover.

He shall put the incense on the fire before Adonoy and the cloud of incense will cover the Ark-cover that is on the [tablets of] Testimony, that he not die.

He shall take some of the bullocks blood and he shall sprinkle with his finger, above the surface of the Ark-cover on its eastern part; and before the Ark-cover, he shall sprinkle, some blood, with his finger, seven times.