Proverbs 7:23

"Till a dart strike through his liver; as a bird hasteth to the snare, and knoweth not that it is for his life."

Cross References (ranked by relevance)

For man also knoweth not his time: as the fishes that are taken in an evil net, and as the birds that are caught in the snare; so are the sons of men snared in an evil time, when it falleth suddenly upon them.

Proverbs 9:18

But he knoweth not that the dead are there; and that her guests are in the depths of hell.

Proverbs 1:17

Surely in vain the net is spread in the sight of any bird.