What's Remarkable: Einstein's emphasis on imagination is remarkable because it challenges the traditional view of intelligence as primarily based on accumulated knowledge and rote learning. It suggests that the ability to think creatively and generate new ideas is more important than simply knowing facts.
What's Lacking: One could argue that pure imagination without a foundation of knowledge can be unproductive or even delusional. A balance between knowledge and imagination is likely ideal. Also, the quote doesn't address other aspects of intelligence, such as critical thinking, problem-solving skills, or emotional intelligence. The application of imagination is also a key consideration. Is it simply daydreaming, or is it being used to solve problems and create new things?