Joshua 6:18 in the World English Bible
But as for you, only keep yourselves from what is devoted to destruction, lest when you have devoted it, you take of the devoted thing; so you would make the camp of Israel accursed and trouble it.
Context
17 And the city shall be accursed, even it, and all that are therein, to the LORD: only Rahab the harlot shall live, she and all that are with her in the house, because she hid the messengers that we sent.
18 And ye, in any wise keep yourselves from the accursed thing, lest ye make yourselves accursed, when ye take of the accursed thing, and make the camp of Israel a curse, and trouble it.
19 But all the silver, and gold, and vessels of brass and iron, are consecrated unto the LORD: they shall come into the treasury of the LORD.