Looked at in one way, everyone knows what intelligence is; looked at in another way, no one does.
Two major air problems in urban areas need to be solved: traffic exhausts can be greatly reduced by policies strictly restraining the usage of private cars; industrial tail gas can be hugely alleviated by relocating factories far away from cities.
But why should we even care what people think intelligence is, as opposed only to valuing whatever it actually is?
What you think I want to say is not what I really want to say. What I really want to say is what you will never know.
Implicit theories of intelligence and of the relationship of intelligence to society perhaps need to be considered more carefully than they have been because they often serve as underlying presuppositions for explicit theories and even experimental designs that are then taken as a scientific contributions.
How much freedom parents are supposed to give their children needs to be considered more carefully than before because contemporary children are growing up in a more complex and sophisticated environment in which they are able to access all sorts of information including the one they need and the one they should be away from.