The Men Looked Into Ark Bible scriptures located in 1 Samuel 6:19-21 explains directly from God's Word the Men Looked Into Ark topic.
1 Samuel 6:19
And he smote the men of Bethshemesh, because they had looked into the ark of the LORD, even he smote of the people fifty thousand and threescore and ten men: and the people lamented, because the LORD had smitten many of the people with a great slaughter.
1 Samuel 6:20
And the men of Bethshemesh said, Who is able to stand before this holy LORD God? and to whom shall he go up from us?
1 Samuel 6:21
And they sent messengers to the inhabitants of Kirjathjearim, saying, The Philistines have brought again the ark of the LORD; come ye down, and fetch it up to you.