19 He struck of the men of Beth Shemesh, because they had looked into Yahweh’s ark, he struck fifty thousand seventy of the men. Then the people mourned, because Yahweh had struck the people with a great slaughter.
1 Samuel 6:19 Cross References - WEB
Exodus 19:21
21 Yahweh said to Moses, “Go down, warn the people, lest they break through to Yahweh to gaze, and many of them perish.
Leviticus 10:1-3
1 Nadab and Abihu, the sons of Aaron, each took his censer, and put fire in it, and laid incense on it, and offered strange fire before Yahweh, which he had not commanded them.
2 Fire came out from before Yahweh, and devoured them, and they died before Yahweh.
3 Then Moses said to Aaron, “This is what Yahweh spoke of, saying, ‘I will show myself holy to those who come near me, and before all the people I will be glorified.’” Aaron held his peace.
Numbers 4:4-5
Numbers 4:15
15 “When Aaron and his sons have finished covering the sanctuary and all the furniture of the sanctuary, as the camp moves forward; after that, the sons of Kohath shall come to carry it; but they shall not touch the sanctuary, lest they die. The sons of Kohath shall carry these things belonging to the Tent of Meeting.
Numbers 4:20
20 but they shall not go in to see the sanctuary even for a moment, lest they die.”
Deuteronomy 29:29
29 The secret things belong to Yahweh our God; but the things that are revealed belong to us and to our children forever, that we may do all the words of this law.
2 Samuel 6:7
7 Yahweh’s anger burned against Uzzah; and God struck him there for his error; and he died there by God’s ark.
1 Chronicles 13:9-10
Colossians 2:18
18 Let no one rob you of your prize by self-abasement and worshiping of the angels, dwelling in the things which he has not seen, vainly puffed up by his fleshly mind,
1 Peter 4:17
17 For the time has come for judgment to begin with the household of God. If it begins first with us, what will happen to those who don’t obey the Good News of God?