Joshua 8:3

Joshua and all the people of war went up against Ai. Joshua chose out thirty thousand mighty men of valor, and sent them away by night.

Matthew 24:39

They were not aware until the Flood came and took them all away. The coming (presence) of the Son of man will be like this.

Matthew 24:50

the master of that servant will come on a day when he does not expect it, an hour when he is unaware.

Matthew 25:6

There was a shout at midnight. 'Here is the bridegroom! Come meet him.'

1 Thessalonians 5:2

For you know perfectly that the Day of Jehovah will come like a thief in the night. (Zephaniah 1:14)

2 Peter 3:10

The day of Jehovah will come as a thief. The heavens will pass away with a great noise. The elements shall be dissolved with intense heat. And the earth and the works in it will be burned up (destroyed). (Joel 2:31) (Zephaniah 1:14)

Treasury of Scripture Knowledge

Summary

So Joshua arose, and all the people of war, to go up against Ai: and Joshua chose out thirty thousand mighty men of valour, and sent them away by night.

General references

Bible References

By night

Matthew 24:39
They were not aware until the Flood came and took them all away. The coming (presence) of the Son of man will be like this.
Matthew 25:6
There was a shout at midnight. 'Here is the bridegroom! Come meet him.'
1 Thessalonians 5:2
For you know perfectly that the Day of Jehovah will come like a thief in the night. (Zephaniah 1:14)
2 Peter 3:10
The day of Jehovah will come as a thief. The heavens will pass away with a great noise. The elements shall be dissolved with intense heat. And the earth and the works in it will be burned up (destroyed). (Joel 2:31) (Zephaniah 1:14)

General references

Joshua 8:11
And all the people, even the people of war that were with him went to the city. They set up camp on the north side of Ai. There was a valley between them and Ai.