This Bible contradiction is from the EvilBible.com.
Yes, a rod of correction
Proverbs 22:15 View context
Foolishness [is] bound in the heart of a child; [but] the rod of correction shall drive it far from him.
There is no remedy for foolishness
Proverbs 27:22 View context
Though thou shouldest bray a fool in a mortar among wheat with a pestle, [yet] will not his foolishness depart from him.