"I'm thirty years old, but I read at the thirty-four-year-old level"

This quote by Dana Carvey is a funny method of expressing his intelligence and wit. He is indicating that he is more intelligent than his age would suggest. He is recommending that he has the ability to understand and understand product that is usually connected with somebody four years older than him. This could be interpreted as an indication of his intelligence and ability to find out rapidly. It could also be analyzed as an indication of his commitment to finding out and self-improvement. It could also be analyzed as a sign of his confidence in his own abilities. Whatever the analysis, it is clear that Dana Carvey takes pride in his intelligence and wit.