'Have No Knowledge' in the Bible

Moreover your little ones, that ye said should be a prey, and your children, that this day have no knowledge of good or evil, they shall go in thither, and unto them will I give it, and they shall possess it.

That good-for-nothing persons have gone out from among you, turning the people of their town from the right way and saying, Let us go and give worship to other gods, of whom you have no knowledge;