Cattell himself described the two intelligences in this way: “[Fluid intelligence] is conceptualized as the decontextualized ability to solve abstract problems, while crystallized intelligence represents a person’s knowledge gained during life by acculturation and learning.”[6] Translation: When you are young, you have raw smarts; when you are old, you have wisdom. When you are young, you can generate lots of facts; when you are old, you know what they mean and how to use them.
