Joshua 23:10

10 One man of you shall chase a thousand: for the LORD your God, he it is that fighteth for you, as he hath promised you.

Joshua 23:10 In-Context

8 But cleave unto the LORD your God, as ye have done unto this day.
9 For the LORD hath driven out from before you great nations and strong: but as for you, no man hath been able to stand before you unto this day.
10 One man of you shall chase a thousand: for the LORD your God, he it is that fighteth for you, as he hath promised you.
11 Take good heed therefore unto yourselves, that ye love the LORD your God.
12 Else if ye do in any wise go back, and cleave unto the remnant of these nations, even these that remain among you, and shall make marriages with them, and go in unto them, and they to you:
The King James Version is in the public domain.