It is a sign of immaturity to believe that being older than someone (automatically) makes you more (mentally) mature than them.

Our parents would not be ‘The best parents in the world’ (to us) if they were not our parents.

An ignorant man who is regarded as knowledgeable by people who are more ignorant than him is still ignorant.

You cannot force someone to believe something they do not believe; you can only manage to force them to speak or act as if they do.

It sometimes requires ignorance and arrogance to know something for sure.

Passing their toilet training is the very last thing that some adults did that has made their parents proud of them.