I find it rather funny how people seem to think that they are smarter and better then others simply due to age, even though age alone does not make one stronger or smarter. The only thing that can make you stronger is how you treat your body. When it comes to intelligence, simply the ability to remember facts will not prove your smart- that is a good memory, which is nothing to do with your intelligence. Someone with intelligence, for example, is someone who can partake in debate and back up even the hardest things to back up, people who can find supporting and facts to support his side, even if the other side outweighs his own, and word it in a more convincing way, or someone who can actually make something.
The fact that you are older does not prove anything, and to think so is ignorant is the simplest way to put it.