Numbers 4:20
But let them not go in to see when they cover the sanctuary, lest they die."
Exodus 19:21
And the LORD said unto Moses, "Go down and charge the people that they prease not up unto the LORD for to see him, and so many of them perish.
1 Samuel 6:19
And he plagued the men of Bethshemesh, because they had seen the ark of the LORD. And he slew of the people fifty thousand and three score and ten persons. And the people lamented, because the LORD had slain so great a slaughter of them.
Leviticus 10:2
And there went a fire out from the LORD, and consumed them, and they died before the LORD.
Numbers 4:15
"And when Aaron and his sons have made an end of covering the sanctuary and all things of the sanctuary, against that the host remove, then the sons of Kohath shall come in for to bear, and so let them not touch the sanctuary lest they die. And this is the charge of the sons of Kohath in the tabernacle of witness.
Numbers 4:19
But thus do unto them that they may live and not die, when they go unto the most holy place. Aaron and his sons shall go in and put them, every man unto his service and unto his burden.
Hebrews 10:19-20
Seeing, brethren, that by the means of the blood of Jesus, we may be bold to enter into that holy place,
Revelation 11:19
And the temple of God was opened in heaven, and there was seen, in his temple, the ark of his testament: and there followed lightnings, and voices, and thunderings and earthquake, and much hail.