But they do not follow a stranger; instead they flee from him, because they do not know the voice of strangers.
Other versions
King James Version
And a stranger will they not follow, but will flee from him: for they know not the voice of strangers.English Standard Version
A stranger they will not follow, but they will flee from him, for they do not know the voice of strangers."New International Version
But they will never follow a stranger; in fact, they will run away from him because they do not recognize a stranger's voice."