Exactly What It Says on the Tin
The mind, that ocean where each kind
Does straight its own resemblance find ;
Yet it creates, transcending these,
Far other worlds, and other seas ;
Annihilating all that's made
To a green thought in a green shade.
—Andrew Marvell, "The Garden"
; this is an index of tropes pertaining to intelligence and intellectuals.
If this is too difficult to comprehend, try the Anti-Intellectualism
and Stupidity Tropes
If you were looking for tropes related to what is called intelligence in official company, see Espionage Tropes