Exodus 19:24
And the LORD replied, "Go down and bring Aaron with you. But the priests and the people must not break through to come up to the LORD, or He will break out against them."

Exodus 24:1
Then the LORD said to Moses, "Come up to the LORD--you and Aaron, Nadab and Abihu, and seventy of Israel's elders--and you are to worship at a distance.

Exodus 28:1
Next, bring near to you your brother Aaron from among the Israelites, along with his sons Nadab, Abihu, Eleazar, and Ithamar, to serve Me as priests.

Leviticus 10:1
Now Aaron's sons Nadab and Abihu took their censers, put fire in them, placed incense on them, and offered unauthorized fire before the LORD, contrary to His command.

Numbers 11:16
Then the LORD said to Moses, "Bring Me seventy of the elders of Israel known to you as leaders and officers of the people. Bring them to the Tent of Meeting and have them stand there with you.

Ezekiel 44:3
Only the prince himself may sit inside the gateway to eat in the presence of the LORD. He must enter by way of the portico of the gateway and go out the same way."