Summary
This quote suggests that the speaker may not consider themselves to be exceptionally intelligent, but they acknowledge their areas of expertise or knowledge. Rather than trying to be knowledgeable in everything, they focus on the areas where they excel or have a deep understanding. This implies they have humility and self-awareness to recognize their limits and value the expertise they possess. They likely believe that by sticking to their strong points, they can make better use of their intelligence and contribute effectively in those particular areas.