AI (artificial intelligence)	self-educated person	intelligent
brains	well-educated	highly intelligent
brainy	expert (at sth)	knowledge
bright	expert opinion	a hunger for knowledge
brilliant	expertise	general knowledge
clever	genius	knowledge is power
common sense	a stroke of genius	learned
comprehension	insight	logical
deep	intelligence	mind
deep knowledge of sth	emotional intelligence	clarity of mind
educated	intelligence test	mine of information
reason	wisdom	empty-headed
within reason	profound wisdom	fool
reasonable	wise	foolish
sense	absurd	foolishness
common sense	the absurd	idiot
sensible	absurdity	idiotic
smart	bird-brain	ignorance
think tank	bird-brained	in blissful ignorance
well-read	brainless git	illogical
whizz	crazy	irrational
whizzkid	dumb	moron
nonsense	off-the-cuff	comprehend
pea-brain	thought	concentrate
pea-brained	deep in thought	concentrate on sth
senseless	on second thought	consider
shallow	without a second thought	a thought crosses sb's mind that
stupid	thought-out	gain knowledge of/ about sth
superficial	badly thought-out	get
superficial knowledge	well thought-out	give sb food for thought
uneducated	be acquainted with sth	grasp
unreasonable	be in the dark (about sth)	have a better understanding of sth
ill-conceived	be quick/ slow on the uptake	have a brainwave
have no understanding of sth	lose one's mind	unlearn sth
not have a clue (about sth)	make up
not have the faintest idea (about sth)	sth occurs to sb
have sth at one's fingertips	pick sb's brains
keep abreast of sth	rack one's brain(s)
keep sb in the dark (about sth)	show signs of genius
know	talk sense/ nonsense
know all the answers	think over
know sth from sth else	think up
know sth inside out/ back to front	the best of my knowledge
listen to reason	understand