Joshua 8:5
I and all the troops who are with me will approach the city. When they come out to fight us like before, we will retreat from them.
Joshua 7:5
The men of Ai killed about thirty-six of them and chased them from in front of the city gate all the way to the fissures and defeated them on the steep slope. The people's courage melted away like water.
Judges 20:31-33
The Benjaminites attacked the army, leaving the city unguarded. They began to strike down their enemy just as they had done before. On the main roads (one leads to Bethel, the other to Gibeah) and in the field, they struck down about thirty Israelites.
Matthew 10:16
"I am sending you out like sheep surrounded by wolves, so be wise as serpents and innocent as doves.